40555452 has 24 divisors (see below), whose sum is σ = 108148096. Its totient is φ = 11587248.

The previous prime is 40555433. The next prime is 40555453. The reversal of 40555452 is 25455504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40555453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241318 + ... + 241485.

Almost surely, 2^40555452 is an apocalyptic number.

40555452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40555452 is an abundant number, since it is smaller than the sum of its proper divisors (67592644).

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

40555452 is a wasteful number, since it uses less digits than its factorization.

40555452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482817 (or 482815 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 40555452 is about 6368.3162609908. The cubic root of 40555452 is about 343.5709338666.

The spelling of 40555452 in words is "forty million, five hundred fifty-five thousand, four hundred fifty-two".