38358661355520 has 192 divisors, whose sum is σ = 133873908779520. Its totient is φ = 9299069337600.

The previous prime is 38358661355519. The next prime is 38358661355533. The reversal of 38358661355520 is 2555316685383.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56419096 + ... + 57094935.

It is an arithmetic number, because the mean of its divisors is an integer number (697259941560).

Almost surely, 2^{38358661355520} is an apocalyptic number.

38358661355520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38358661355520 is an abundant number, since it is smaller than the sum of its proper divisors (95515247424000).

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

38358661355520 is a wasteful number, since it uses less digits than its factorization.

38358661355520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113514072 (or 113514052 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 60.

The spelling of 38358661355520 in words is "thirty-eight trillion, three hundred fifty-eight billion, six hundred sixty-one million, three hundred fifty-five thousand, five hundred twenty".