40634264 has 32 divisors (see below), whose sum is σ = 83365200. Its totient is φ = 18414720.

The previous prime is 40634263. The next prime is 40634281. The reversal of 40634264 is 46243604.

It is a happy number.

It is a super-2 number, since 2×40634264² = 3302286821643392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40634263) by changing a digit.

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, 48602 + ... + 49430.

Almost surely, 2^40634264 is an apocalyptic number.

40634264 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40634264 is an abundant number, since it is smaller than the sum of its proper divisors (42730936).

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

40634264 is a wasteful number, since it uses less digits than its factorization.

40634264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 40634264 is about 6374.5010785159. The cubic root of 40634264 is about 343.7933453220.

Adding to 40634264 its reverse (46243604), we get a palindrome (86877868).

The spelling of 40634264 in words is "forty million, six hundred thirty-four thousand, two hundred sixty-four".