40247412 has 24 divisors (see below), whose sum is σ = 94458336. Its totient is φ = 13337568.

The previous prime is 40247399. The next prime is 40247413. The reversal of 40247412 is 21474204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40247413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7618 + ... + 11769.

It is an arithmetic number, because the mean of its divisors is an integer number (3935764).

Almost surely, 2^40247412 is an apocalyptic number.

It is an amenable number.

40247412 is an abundant number, since it is smaller than the sum of its proper divisors (54210924).

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

40247412 is a wasteful number, since it uses less digits than its factorization.

40247412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19567 (or 19565 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 40247412 is about 6344.0848039729. The cubic root of 40247412 is about 342.6988548108.

The spelling of 40247412 in words is "forty million, two hundred forty-seven thousand, four hundred twelve".