38557904700840 has 128 divisors (see below), whose sum is σ = 132253873632000. Its totient is φ = 8809545811968.

The previous prime is 38557904700773. The next prime is 38557904700853. The reversal of 38557904700840 is 4800740975583.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7600245 + ... + 11613764.

It is an arithmetic number, because the mean of its divisors is an integer number (1033233387750).

Almost surely, 2^{38557904700840} is an apocalyptic number.

38557904700840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38557904700840 is an abundant number, since it is smaller than the sum of its proper divisors (93695968931160).

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

38557904700840 is a wasteful number, since it uses less digits than its factorization.

38557904700840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19216419 (or 19216415 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 38557904700840 in words is "thirty-eight trillion, five hundred fifty-seven billion, nine hundred four million, seven hundred thousand, eight hundred forty".