40534056 has 24 divisors (see below), whose sum is σ = 109779930. Its totient is φ = 13511328.

The previous prime is 40534037. The next prime is 40534093. The reversal of 40534056 is 65043504.

It can be written as a sum of positive squares in only one way, i.e., 40525956 + 8100 = 6366^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×40534056² = 3286019391622272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281415 + ... + 281558.

Almost surely, 2^40534056 is an apocalyptic number.

It is an amenable number.

40534056 is an abundant number, since it is smaller than the sum of its proper divisors (69245874).

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

40534056 is a wasteful number, since it uses less digits than its factorization.

40534056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562985 (or 562978 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 40534056 is about 6366.6361604854. The cubic root of 40534056 is about 343.5105035467.

The spelling of 40534056 in words is "forty million, five hundred thirty-four thousand, fifty-six".