40647612 has 48 divisors (see below), whose sum is σ = 105719040. Its totient is φ = 12079872.

The previous prime is 40647587. The next prime is 40647613. The reversal of 40647612 is 21674604.

It is a super-2 number, since 2×40647612² = 3304456722605088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40647612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40647613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368 + ... + 9119.

It is an arithmetic number, because the mean of its divisors is an integer number (2202480).

Almost surely, 2^40647612 is an apocalyptic number.

It is an amenable number.

40647612 is an abundant number, since it is smaller than the sum of its proper divisors (65071428).

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

40647612 is a wasteful number, since it uses less digits than its factorization.

40647612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530 (or 10528 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40647612 is about 6375.5479764488. The cubic root of 40647612 is about 343.8309855689.

The spelling of 40647612 in words is "forty million, six hundred forty-seven thousand, six hundred twelve".