38640374495 has 8 divisors (see below), whose sum is σ = 46663790784. Its totient is φ = 30715405344.

The previous prime is 38640374491. The next prime is 38640374557. The reversal of 38640374495 is 59447304683.

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

It is a cyclic number.

It is not a de Polignac number, because 38640374495 - 2² = 38640374491 is a prime.

It is a super-2 number, since 2×38640374495² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38640374491) 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, 24610919 + ... + 24612488.

It is an arithmetic number, because the mean of its divisors is an integer number (5832973848).

Almost surely, 2^38640374495 is an apocalyptic number.

38640374495 is a deficient number, since it is larger than the sum of its proper divisors (8023416289).

38640374495 is a wasteful number, since it uses less digits than its factorization.

38640374495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49223569.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 38640374495 in words is "thirty-eight billion, six hundred forty million, three hundred seventy-four thousand, four hundred ninety-five".