40379620 has 12 divisors (see below), whose sum is σ = 84797244. Its totient is φ = 16151840.

The previous prime is 40379611. The next prime is 40379657. The reversal of 40379620 is 2697304.

It can be written as a sum of positive squares in 2 ways, for example, as 24840256 + 15539364 = 4984^2 + 3942^2 .

It is a super-2 number, since 2×40379620² = 3261027422688800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009471 + ... + 1009510.

It is an arithmetic number, because the mean of its divisors is an integer number (7066437).

Almost surely, 2^40379620 is an apocalyptic number.

It is an amenable number.

40379620 is an abundant number, since it is smaller than the sum of its proper divisors (44417624).

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

40379620 is a wasteful number, since it uses less digits than its factorization.

40379620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018990 (or 2018988 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 40379620 is about 6354.4960461078. The cubic root of 40379620 is about 343.0736864528.

The spelling of 40379620 in words is "forty million, three hundred seventy-nine thousand, six hundred twenty".