421040519395684 has 48 divisors (see below), whose sum is σ = 754710627784960. Its totient is φ = 205466990446080.

The previous prime is 421040519395607. The next prime is 421040519395703. The reversal of 421040519395684 is 486593915040124.

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, 725540524 + ... + 726120604.

Almost surely, 2^{421040519395684} is an apocalyptic number.

It is an amenable number.

421040519395684 is a deficient number, since it is larger than the sum of its proper divisors (333670108389276).

421040519395684 is a wasteful number, since it uses less digits than its factorization.

421040519395684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605108 (or 605106 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 421040519395684 in words is "four hundred twenty-one trillion, forty billion, five hundred nineteen million, three hundred ninety-five thousand, six hundred eighty-four".