40625464 has 16 divisors (see below), whose sum is σ = 83097720. Its totient is φ = 18466080.

The previous prime is 40625447. The next prime is 40625467. The reversal of 40625464 is 46452604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40625467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230739 + ... + 230914.

Almost surely, 2^40625464 is an apocalyptic number.

40625464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40625464 is an abundant number, since it is smaller than the sum of its proper divisors (42472256).

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

40625464 is a wasteful number, since it uses less digits than its factorization.

40625464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461670 (or 461666 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 40625464 is about 6373.8107910417. The cubic root of 40625464 is about 343.7685255470.

The spelling of 40625464 in words is "forty million, six hundred twenty-five thousand, four hundred sixty-four".