40379280 has 40 divisors (see below), whose sum is σ = 125176512. Its totient is φ = 10767744.

The previous prime is 40379263. The next prime is 40379291. The reversal of 40379280 is 8297304.

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

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, 83884 + ... + 84363.

Almost surely, 2^40379280 is an apocalyptic number.

40379280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40379280 is an abundant number, since it is smaller than the sum of its proper divisors (84797232).

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

40379280 is a wasteful number, since it uses less digits than its factorization.

40379280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168263 (or 168257 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40379280 is about 6354.4692933399. The cubic root of 40379280 is about 343.0727235464.

The spelling of 40379280 in words is "forty million, three hundred seventy-nine thousand, two hundred eighty".