40818452 has 12 divisors (see below), whose sum is σ = 73174836. Its totient is φ = 19911360.

The previous prime is 40818433. The next prime is 40818469. The reversal of 40818452 is 25481804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4866436 + 35952016 = 2206^2 + 5996^2 .

It is a super-2 number, since 2×40818452² = 3332292047352608, which contains 22 as substring.

It is a congruent number.

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, 124283 + ... + 124610.

It is an arithmetic number, because the mean of its divisors is an integer number (6097903).

Almost surely, 2^40818452 is an apocalyptic number.

It is an amenable number.

40818452 is a deficient number, since it is larger than the sum of its proper divisors (32356384).

40818452 is a wasteful number, since it uses less digits than its factorization.

40818452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248938 (or 248936 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 40818452 is about 6388.9319921251. The cubic root of 40818452 is about 344.3120140998.

The spelling of 40818452 in words is "forty million, eight hundred eighteen thousand, four hundred fifty-two".