38192920920 has 192 divisors, whose sum is σ = 154755843840. Its totient is φ = 7936185600.

The previous prime is 38192920903. The next prime is 38192920957. The reversal of 38192920920 is 2902929183.

It is a happy number.

38192920920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 661186 + ... + 716625.

It is an arithmetic number, because the mean of its divisors is an integer number (806020020).

Almost surely, 2^38192920920 is an apocalyptic number.

38192920920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38192920920 is an abundant number, since it is smaller than the sum of its proper divisors (116562922920).

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

38192920920 is a wasteful number, since it uses less digits than its factorization.

38192920920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377846 (or 1377839 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 38192920920 in words is "thirty-eight billion, one hundred ninety-two million, nine hundred twenty thousand, nine hundred twenty".