38440788 has 24 divisors (see below), whose sum is σ = 89849760. Its totient is φ = 12791520.

The previous prime is 38440777. The next prime is 38440789. The reversal of 38440788 is 88704483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38440789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5478 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (3743740).

Almost surely, 2^38440788 is an apocalyptic number.

It is an amenable number.

38440788 is an abundant number, since it is smaller than the sum of its proper divisors (51408972).

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

38440788 is a wasteful number, since it uses less digits than its factorization.

38440788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527 (or 5525 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 38440788 is about 6200.0635480614. The cubic root of 38440788 is about 337.4924750037.

The spelling of 38440788 in words is "thirty-eight million, four hundred forty thousand, seven hundred eighty-eight".