38404071556525 has 36 divisors (see below), whose sum is σ = 48765967349760. Its totient is φ = 30001563127200.

The previous prime is 38404071556483. The next prime is 38404071556537. The reversal of 38404071556525 is 52565517040483.

It is not a de Polignac number, because 38404071556525 - 2²¹ = 38404069459373 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 196774740 + ... + 196969810.

It is an arithmetic number, because the mean of its divisors is an integer number (1354610204160).

Almost surely, 2^{38404071556525} is an apocalyptic number.

It is an amenable number.

38404071556525 is a deficient number, since it is larger than the sum of its proper divisors (10361895793235).

38404071556525 is a wasteful number, since it uses less digits than its factorization.

38404071556525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199426 (or 199378 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 55.

The spelling of 38404071556525 in words is "thirty-eight trillion, four hundred four billion, seventy-one million, five hundred fifty-six thousand, five hundred twenty-five".