1407780336680 has 64 divisors (see below), whose sum is σ = 3354255962640. Its totient is φ = 529920520192.

The previous prime is 1407780336673. The next prime is 1407780336691. The reversal of 1407780336680 is 866330877041.

It can be written as a sum of positive squares in 8 ways, for example, as 1186265148964 + 221515187716 = 1089158^2 + 470654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5392034 + ... + 5647086.

Almost surely, 2^{1407780336680} is an apocalyptic number.

1407780336680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1407780336680 is an abundant number, since it is smaller than the sum of its proper divisors (1946475625960).

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

1407780336680 is a wasteful number, since it uses less digits than its factorization.

1407780336680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263198 (or 263194 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 1407780336680 in words is "one trillion, four hundred seven billion, seven hundred eighty million, three hundred thirty-six thousand, six hundred eighty".