38401375647558 has 128 divisors (see below), whose sum is σ = 100797999943680. Its totient is φ = 9449018997120.

The previous prime is 38401375647527. The next prime is 38401375647601. The reversal of 38401375647558 is 85574657310483.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 246785916 + ... + 246941472.

It is an arithmetic number, because the mean of its divisors is an integer number (787484374560).

Almost surely, 2^{38401375647558} is an apocalyptic number.

38401375647558 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38401375647558 is an abundant number, since it is smaller than the sum of its proper divisors (62396624296122).

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

38401375647558 is a wasteful number, since it uses less digits than its factorization.

38401375647558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183722.

The product of its (nonzero) digits is 338688000, while the sum is 66.

The spelling of 38401375647558 in words is "thirty-eight trillion, four hundred one billion, three hundred seventy-five million, six hundred forty-seven thousand, five hundred fifty-eight".