38949309156560 has 160 divisors (see below), whose sum is σ = 101878316870400. Its totient is φ = 13725197004800.

The previous prime is 38949309156551. The next prime is 38949309156607. The reversal of 38949309156560 is 6565190394983.

It is a happy number.

38949309156560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1753349 + ... + 8998491.

It is an arithmetic number, because the mean of its divisors is an integer number (636739480440).

Almost surely, 2^{38949309156560} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38949309156560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50939158435200).

38949309156560 is an abundant number, since it is smaller than the sum of its proper divisors (62929007713840).

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

38949309156560 is a wasteful number, since it uses less digits than its factorization.

38949309156560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7245357 (or 7245351 counting only the distinct ones).

The product of its (nonzero) digits is 188956800, while the sum is 68.

The spelling of 38949309156560 in words is "thirty-eight trillion, nine hundred forty-nine billion, three hundred nine million, one hundred fifty-six thousand, five hundred sixty".