420505055050504 has 16 divisors (see below), whose sum is σ = 790680539069820. Its totient is φ = 209656911298560.

The previous prime is 420505055050481. The next prime is 420505055050543. The reversal of 420505055050504 is 405050550505024.

It can be written as a sum of positive squares in 2 ways, for example, as 395198098568100 + 25306956482404 = 19879590^2 + 5030602^2 .

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, 74452025337 + ... + 74452030984.

Almost surely, 2^{420505055050504} is an apocalyptic number.

It is an amenable number.

420505055050504 is a deficient number, since it is larger than the sum of its proper divisors (370175484019316).

420505055050504 is a wasteful number, since it uses less digits than its factorization.

420505055050504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148904056680 (or 148904056676 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 40.

The spelling of 420505055050504 in words is "four hundred twenty trillion, five hundred five billion, fifty-five million, fifty thousand, five hundred four".