46366640 has 20 divisors (see below), whose sum is σ = 107802624. Its totient is φ = 18546624.

The previous prime is 46366609. The next prime is 46366651. The reversal of 46366640 is 4666364.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 46366640.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289712 + ... + 289871.

Almost surely, 2^46366640 is an apocalyptic number.

46366640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46366640 is an abundant number, since it is smaller than the sum of its proper divisors (61435984).

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

46366640 is a wasteful number, since it uses less digits than its factorization.

46366640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579596 (or 579590 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 46366640 is about 6809.3053977627. The cubic root of 46366640 is about 359.2542174069.

The spelling of 46366640 in words is "forty-six million, three hundred sixty-six thousand, six hundred forty".