40813465 has 32 divisors (see below), whose sum is σ = 61461504. Its totient is φ = 25275840.

The previous prime is 40813403. The next prime is 40813471. The reversal of 40813465 is 56431804.

It is a happy number.

It is not a de Polignac number, because 40813465 - 2⁹ = 40812953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87162 + ... + 87628.

It is an arithmetic number, because the mean of its divisors is an integer number (1920672).

Almost surely, 2^40813465 is an apocalyptic number.

It is an amenable number.

40813465 is a deficient number, since it is larger than the sum of its proper divisors (20648039).

40813465 is a wasteful number, since it uses less digits than its factorization.

40813465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 40813465 is about 6388.5416958802. The cubic root of 40813465 is about 344.2979914061.

The spelling of 40813465 in words is "forty million, eight hundred thirteen thousand, four hundred sixty-five".