40457454 has 16 divisors (see below), whose sum is σ = 81232848. Its totient is φ = 13432832.

The previous prime is 40457413. The next prime is 40457477. The reversal of 40457454 is 45475404.

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, 11577 + ... + 14660.

It is an arithmetic number, because the mean of its divisors is an integer number (5077053).

Almost surely, 2^40457454 is an apocalyptic number.

40457454 is an abundant number, since it is smaller than the sum of its proper divisors (40775394).

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

40457454 is a wasteful number, since it uses less digits than its factorization.

40457454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26499.

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 40457454 is about 6360.6174228608. The cubic root of 40457454 is about 343.2939762806.

The spelling of 40457454 in words is "forty million, four hundred fifty-seven thousand, four hundred fifty-four".