407481332680 has 32 divisors (see below), whose sum is σ = 917077110840. Its totient is φ = 162949135360.

The previous prime is 407481332677. The next prime is 407481332723. The reversal of 407481332680 is 86233184704.

It can be written as a sum of positive squares in 4 ways, for example, as 369574021476 + 37907311204 = 607926^2 + 194698^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 407481332680.

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, 1203859 + ... + 1504738.

Almost surely, 2^407481332680 is an apocalyptic number.

407481332680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

407481332680 is an abundant number, since it is smaller than the sum of its proper divisors (509595778160).

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

407481332680 is a wasteful number, since it uses less digits than its factorization.

407481332680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712369 (or 2712365 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 407481332680 in words is "four hundred seven billion, four hundred eighty-one million, three hundred thirty-two thousand, six hundred eighty".