40623465 has 16 divisors (see below), whose sum is σ = 65121408. Its totient is φ = 21624576.

The previous prime is 40623419. The next prime is 40623467. The reversal of 40623465 is 56432604.

It is not a de Polignac number, because 40623465 - 2¹¹ = 40621417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40623467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6612 + ... + 11178.

It is an arithmetic number, because the mean of its divisors is an integer number (4070088).

Almost surely, 2^40623465 is an apocalyptic number.

It is an amenable number.

40623465 is a deficient number, since it is larger than the sum of its proper divisors (24497943).

40623465 is a wasteful number, since it uses less digits than its factorization.

40623465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 40623465 is about 6373.6539755465. The cubic root of 40623465 is about 343.7628870100.

It can be divided in two parts, 406 and 23465, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 40623465 in words is "forty million, six hundred twenty-three thousand, four hundred sixty-five".