40464432 has 60 divisors (see below), whose sum is σ = 114709920. Its totient is φ = 13313664.

The previous prime is 40464427. The next prime is 40464439. The reversal of 40464432 is 23446404.

It is a junction number, because it is equal to n+sod(n) for n = 40464396 and 40464405.

It is not an unprimeable number, because it can be changed into a prime (40464439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9598 + ... + 13154.

It is an arithmetic number, because the mean of its divisors is an integer number (1911832).

Almost surely, 2^40464432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40464432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57354960).

40464432 is an abundant number, since it is smaller than the sum of its proper divisors (74245488).

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

40464432 is a wasteful number, since it uses less digits than its factorization.

40464432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 40464432 is about 6361.1659308652. The cubic root of 40464432 is about 343.3137119734.

The spelling of 40464432 in words is "forty million, four hundred sixty-four thousand, four hundred thirty-two".