40412764 has 24 divisors (see below), whose sum is σ = 81738720. Its totient is φ = 17124096.

The previous prime is 40412719. The next prime is 40412767. The reversal of 40412764 is 46721404.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412767) 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, 5617 + ... + 10600.

It is an arithmetic number, because the mean of its divisors is an integer number (3405780).

Almost surely, 2^40412764 is an apocalyptic number.

It is an amenable number.

40412764 is an abundant number, since it is smaller than the sum of its proper divisors (41325956).

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

40412764 is a wasteful number, since it uses less digits than its factorization.

40412764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317 (or 16315 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 40412764 is about 6357.1034284492. The cubic root of 40412764 is about 343.1675268982.

The spelling of 40412764 in words is "forty million, four hundred twelve thousand, seven hundred sixty-four".