38940080 has 40 divisors (see below), whose sum is σ = 90796272. Its totient is φ = 15531264.

The previous prime is 38940079. The next prime is 38940089. The reversal of 38940080 is 8004983.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (38940089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51062 + ... + 51818.

Almost surely, 2^38940080 is an apocalyptic number.

It is an amenable number.

38940080 is an abundant number, since it is smaller than the sum of its proper divisors (51856192).

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

38940080 is a wasteful number, since it uses less digits than its factorization.

38940080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 38940080 is about 6240.1987147847. The cubic root of 38940080 is about 338.9473788779.

The spelling of 38940080 in words is "thirty-eight million, nine hundred forty thousand, eighty".