38457718002 has 192 divisors, whose sum is σ = 102256172928. Its totient is φ = 10699776000.

The previous prime is 38457717983. The next prime is 38457718007. The reversal of 38457718002 is 20081775483.

It is not an unprimeable number, because it can be changed into a prime (38457718007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3721002 + ... + 3731322.

It is an arithmetic number, because the mean of its divisors is an integer number (532584234).

Almost surely, 2^38457718002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38457718002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51128086464).

38457718002 is an abundant number, since it is smaller than the sum of its proper divisors (63798454926).

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

38457718002 is a wasteful number, since it uses less digits than its factorization.

38457718002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407 (or 10395 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 38457718002 in words is "thirty-eight billion, four hundred fifty-seven million, seven hundred eighteen thousand, two".