40452488 has 8 divisors (see below), whose sum is σ = 75848430. Its totient is φ = 20226240.

The previous prime is 40452487. The next prime is 40452493. The reversal of 40452488 is 88425404.

It can be written as a sum of positive squares in only one way, i.e., 22829284 + 17623204 = 4778^2 + 4198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (40452487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528273 + ... + 2528288.

Almost surely, 2^40452488 is an apocalyptic number.

It is an amenable number.

40452488 is a deficient number, since it is larger than the sum of its proper divisors (35395942).

40452488 is a wasteful number, since it uses less digits than its factorization.

40452488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056567 (or 5056563 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 40452488 is about 6360.2270399727. The cubic root of 40452488 is about 343.2799296919.

The spelling of 40452488 in words is "forty million, four hundred fifty-two thousand, four hundred eighty-eight".