40464402 has 16 divisors (see below), whose sum is σ = 88286112. Its totient is φ = 12261920.

The previous prime is 40464401. The next prime is 40464427. The reversal of 40464402 is 20446404.

It is not an unprimeable number, because it can be changed into a prime (40464401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306483 + ... + 306614.

It is an arithmetic number, because the mean of its divisors is an integer number (5517882).

Almost surely, 2^40464402 is an apocalyptic number.

40464402 is an abundant number, since it is smaller than the sum of its proper divisors (47821710).

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

40464402 is a wasteful number, since it uses less digits than its factorization.

40464402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613113.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 40464402 is about 6361.1635728065. The cubic root of 40464402 is about 343.3136271301.

It can be divided in two parts, 4046 and 4402, that added together give a palindrome (8448).

The spelling of 40464402 in words is "forty million, four hundred sixty-four thousand, four hundred two".