38461987420 has 24 divisors (see below), whose sum is σ = 81876617424. Its totient is φ = 15174043776.

The previous prime is 38461987411. The next prime is 38461987453. The reversal of 38461987420 is 2478916483.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13170454 + ... + 13173373.

It is an arithmetic number, because the mean of its divisors is an integer number (3411525726).

Almost surely, 2^38461987420 is an apocalyptic number.

It is an amenable number.

38461987420 is an abundant number, since it is smaller than the sum of its proper divisors (43414630004).

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

38461987420 is a wasteful number, since it uses less digits than its factorization.

38461987420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26343909 (or 26343907 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 38461987420 in words is "thirty-eight billion, four hundred sixty-one million, nine hundred eighty-seven thousand, four hundred twenty".