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40235508308 = 22191798129443
BaseRepresentation
bin100101011110001110…
…010010001001010100
310211212002012121011102
4211132032102021110
51124400242231213
630252310325232
72623034114642
oct453616221124
9124762177142
1040235508308
1116077993a06
12796a959818
133a42abcaa8
141d39994192
1510a7507158
hex95e392254

40235508308 has 24 divisors (see below), whose sum is σ = 74124681120. Its totient is φ = 19057217760.

The previous prime is 40235508283. The next prime is 40235508329. The reversal of 40235508308 is 80380553204.

It is a super-3 number, since 3×402355083083 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351835 + ... + 1381277.

It is an arithmetic number, because the mean of its divisors is an integer number (3088528380).

Almost surely, 240235508308 is an apocalyptic number.

It is an amenable number.

40235508308 is a deficient number, since it is larger than the sum of its proper divisors (33889172812).

40235508308 is a wasteful number, since it uses less digits than its factorization.

40235508308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47447 (or 47445 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 40235508308 in words is "forty billion, two hundred thirty-five million, five hundred eight thousand, three hundred eight".

Divisors: 1 2 4 19 38 76 17981 29443 35962 58886 71924 117772 341639 559417 683278 1118834 1366556 2237668 529414583 1058829166 2117658332 10058877077 20117754154 40235508308