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40744444893 = 379171917489
BaseRepresentation
bin100101111100100011…
…101110001111011101
310220011112212020220120
4211330203232033131
51131421034214033
630415010505153
72641454032035
oct457443561735
9126145766816
1040744444893
11163091a4559
127a912951b9
133ac43836b9
141d873d48c5
1510d70381b3
hex97c8ee3dd

40744444893 has 8 divisors (see below), whose sum is σ = 55013596800. Its totient is φ = 26819128128.

The previous prime is 40744444877. The next prime is 40744444921. The reversal of 40744444893 is 39844444704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40744444893 - 24 = 40744444877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40744444813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85958508 + ... + 85958981.

It is an arithmetic number, because the mean of its divisors is an integer number (6876699600).

Almost surely, 240744444893 is an apocalyptic number.

It is an amenable number.

40744444893 is a deficient number, since it is larger than the sum of its proper divisors (14269151907).

40744444893 is a wasteful number, since it uses less digits than its factorization.

40744444893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171917571.

The product of its (nonzero) digits is 6193152, while the sum is 51.

The spelling of 40744444893 in words is "forty billion, seven hundred forty-four million, four hundred forty-four thousand, eight hundred ninety-three".

Divisors: 1 3 79 237 171917489 515752467 13581481631 40744444893