46461640 has 32 divisors (see below), whose sum is σ = 107367480. Its totient is φ = 18081792.

The previous prime is 46461617. The next prime is 46461659. The reversal of 46461640 is 4616464.

46461640 = 315² + 316² + ... + 554².

It can be written as a sum of positive squares in 4 ways, for example, as 45887076 + 574564 = 6774^2 + 758^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14217 + ... + 17176.

Almost surely, 2^46461640 is an apocalyptic number.

46461640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46461640 is an abundant number, since it is smaller than the sum of its proper divisors (60905840).

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

46461640 is a wasteful number, since it uses less digits than its factorization.

46461640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31441 (or 31437 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 46461640 is about 6816.2775765076. The cubic root of 46461640 is about 359.4994071110.

The spelling of 46461640 in words is "forty-six million, four hundred sixty-one thousand, six hundred forty".