38930442811312 has 20 divisors (see below), whose sum is σ = 81229866250960. Its totient is φ = 17967896682048.

The previous prime is 38930442811241. The next prime is 38930442811313. The reversal of 38930442811312 is 21311824403983.

It is a super-2 number, since 2×38930442811312² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38930442811313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93582795012 + ... + 93582795427.

It is an arithmetic number, because the mean of its divisors is an integer number (4061493312548).

Almost surely, 2^{38930442811312} is an apocalyptic number.

It is an amenable number.

38930442811312 is an abundant number, since it is smaller than the sum of its proper divisors (42299423439648).

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

38930442811312 is a wasteful number, since it uses less digits than its factorization.

38930442811312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187165590460 (or 187165590454 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 38930442811312 in words is "thirty-eight trillion, nine hundred thirty billion, four hundred forty-two million, eight hundred eleven thousand, three hundred twelve".