40806724 has 24 divisors (see below), whose sum is σ = 82123328. Its totient is φ = 17379360.

The previous prime is 40806719. The next prime is 40806791. The reversal of 40806724 is 42760804.

It is a super-2 number, since 2×40806724² = 3330377447224352, which contains 22 as substring.

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, 94 + ... + 9034.

Almost surely, 2^40806724 is an apocalyptic number.

It is an amenable number.

40806724 is an abundant number, since it is smaller than the sum of its proper divisors (41316604).

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

40806724 is a wasteful number, since it uses less digits than its factorization.

40806724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9115 (or 9113 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 40806724 is about 6388.0140889012. The cubic root of 40806724 is about 344.2790349126.

The spelling of 40806724 in words is "forty million, eight hundred six thousand, seven hundred twenty-four".