40452944 has 40 divisors (see below), whose sum is σ = 89904960. Its totient is φ = 17273088.

The previous prime is 40452899. The next prime is 40452953. The reversal of 40452944 is 44925404.

It is a self number, because there is not a number n which added to its sum of digits gives 40452944.

It is a congruent number.

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, 41972 + ... + 42924.

It is an arithmetic number, because the mean of its divisors is an integer number (2247624).

Almost surely, 2^40452944 is an apocalyptic number.

It is an amenable number.

40452944 is an abundant number, since it is smaller than the sum of its proper divisors (49452016).

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

40452944 is a wasteful number, since it uses less digits than its factorization.

40452944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 40452944 is about 6360.2628876486. The cubic root of 40452944 is about 343.2812195595.

The spelling of 40452944 in words is "forty million, four hundred fifty-two thousand, nine hundred forty-four".