40634460 has 96 divisors (see below), whose sum is σ = 128116800. Its totient is φ = 10824192.

The previous prime is 40634431. The next prime is 40634467. The reversal of 40634460 is 6443604.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40634467) 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, 43276 + ... + 44204.

It is an arithmetic number, because the mean of its divisors is an integer number (1334550).

Almost surely, 2^40634460 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 40634460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64058400).

40634460 is an abundant number, since it is smaller than the sum of its proper divisors (87482340).

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

40634460 is an equidigital number, since it uses as much as digits as its factorization.

40634460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40634460 is about 6374.5164522495. The cubic root of 40634460 is about 343.7938980853.

The spelling of 40634460 in words is "forty million, six hundred thirty-four thousand, four hundred sixty".