45710640 has 60 divisors (see below), whose sum is σ = 153513984. Its totient is φ = 12189312.

The previous prime is 45710633. The next prime is 45710689. The reversal of 45710640 is 4601754.

45710640 is a `hidden beast` number, since 4 + 5 + 7 + 10 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31024 + ... + 32463.

Almost surely, 2^45710640 is an apocalyptic number.

45710640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45710640 is an abundant number, since it is smaller than the sum of its proper divisors (107803344).

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

45710640 is a wasteful number, since it uses less digits than its factorization.

45710640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63506 (or 63497 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 45710640 is about 6760.9644282454. The cubic root of 45710640 is about 357.5519086117.

The spelling of 45710640 in words is "forty-five million, seven hundred ten thousand, six hundred forty".