38120440 has 32 divisors (see below), whose sum is σ = 86220000. Its totient is φ = 15168384.

The previous prime is 38120417. The next prime is 38120473. The reversal of 38120440 is 4402183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5566 + ... + 10354.

It is an arithmetic number, because the mean of its divisors is an integer number (2694375).

Almost surely, 2^38120440 is an apocalyptic number.

It is an amenable number.

38120440 is an abundant number, since it is smaller than the sum of its proper divisors (48099560).

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

38120440 is a wasteful number, since it uses less digits than its factorization.

38120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4999 (or 4995 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 38120440 is about 6174.1752485656. The cubic root of 38120440 is about 336.5523558370.

The spelling of 38120440 in words is "thirty-eight million, one hundred twenty thousand, four hundred forty".