38812419540 has 96 divisors (see below), whose sum is σ = 122403980160. Its totient is φ = 10208187648.

The previous prime is 38812419511. The next prime is 38812419571. The reversal of 38812419540 is 4591421883.

38812419540 is a `hidden beast` number, since 3 + 8 + 81 + 24 + 1 + 9 + 540 = 666.

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 31 ways as a sum of consecutive naturals, for example, 452874 + ... + 531713.

It is an arithmetic number, because the mean of its divisors is an integer number (1275041460).

Almost surely, 2^38812419540 is an apocalyptic number.

38812419540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38812419540 is an abundant number, since it is smaller than the sum of its proper divisors (83591560620).

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

38812419540 is a wasteful number, since it uses less digits than its factorization.

38812419540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984678 (or 984670 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 38812419540 in words is "thirty-eight billion, eight hundred twelve million, four hundred nineteen thousand, five hundred forty".