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40301020404 = 223210111083889
BaseRepresentation
bin100101100010001000…
…001100010011110100
310212000122110221212100
4211202020030103310
51130014030123104
630303010422100
72624461010211
oct454210142364
9125018427770
1040301020404
111610096a137
127988891930
133a53549948
141d44568b08
1510ad148139
hex96220c4f4

40301020404 has 36 divisors (see below), whose sum is σ = 102880666980. Its totient is φ = 13300665600.

The previous prime is 40301020373. The next prime is 40301020477. The reversal of 40301020404 is 40402010304.

It can be written as a sum of positive squares in 2 ways, for example, as 19965690000 + 20335330404 = 141300^2 + 142602^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5538309 + ... + 5545580.

It is an arithmetic number, because the mean of its divisors is an integer number (2857796305).

Almost surely, 240301020404 is an apocalyptic number.

It is an amenable number.

40301020404 is an abundant number, since it is smaller than the sum of its proper divisors (62579646576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40301020404 is a wasteful number, since it uses less digits than its factorization.

40301020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084000 (or 11083995 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40301020404 its reverse (40402010304), we get a palindrome (80703030708).

The spelling of 40301020404 in words is "forty billion, three hundred one million, twenty thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 101 202 303 404 606 909 1212 1818 3636 11083889 22167778 33251667 44335556 66503334 99755001 133006668 199510002 399020004 1119472789 2238945578 3358418367 4477891156 6716836734 10075255101 13433673468 20150510202 40301020404