40777464 has 64 divisors (see below), whose sum is σ = 125475840. Its totient is φ = 10753920.

The previous prime is 40777433. The next prime is 40777469. The reversal of 40777464 is 46477704.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40777469) 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, 7152 + ... + 11519.

It is an arithmetic number, because the mean of its divisors is an integer number (1960560).

Almost surely, 2^40777464 is an apocalyptic number.

It is an amenable number.

40777464 is an abundant number, since it is smaller than the sum of its proper divisors (84698376).

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

40777464 is a wasteful number, since it uses less digits than its factorization.

40777464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18700 (or 18696 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 40777464 is about 6385.7234515754. The cubic root of 40777464 is about 344.1967281075.

The spelling of 40777464 in words is "forty million, seven hundred seventy-seven thousand, four hundred sixty-four".