40915455 has 32 divisors (see below), whose sum is σ = 78758400. Its totient is φ = 17718912.

The previous prime is 40915453. The next prime is 40915541. The reversal of 40915455 is 55451904.

It is not a de Polignac number, because 40915455 - 2¹ = 40915453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40915453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8260 + ... + 12249.

It is an arithmetic number, because the mean of its divisors is an integer number (2461200).

Almost surely, 2^40915455 is an apocalyptic number.

40915455 is a deficient number, since it is larger than the sum of its proper divisors (37842945).

40915455 is a wasteful number, since it uses less digits than its factorization.

40915455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20543.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 40915455 is about 6396.5189751927. The cubic root of 40915455 is about 344.5845450614.

The spelling of 40915455 in words is "forty million, nine hundred fifteen thousand, four hundred fifty-five".