40430632 has 32 divisors (see below), whose sum is σ = 87055200. Its totient is φ = 17409600.

The previous prime is 40430623. The next prime is 40430647. The reversal of 40430632 is 23603404.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10419 + ... + 13762.

It is an arithmetic number, because the mean of its divisors is an integer number (2720475).

Almost surely, 2^40430632 is an apocalyptic number.

It is an amenable number.

40430632 is an abundant number, since it is smaller than the sum of its proper divisors (46624568).

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

40430632 is a wasteful number, since it uses less digits than its factorization.

40430632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24217 (or 24213 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 40430632 is about 6358.5086301742. The cubic root of 40430632 is about 343.2180951948.

The spelling of 40430632 in words is "forty million, four hundred thirty thousand, six hundred thirty-two".