420617185914 has 32 divisors (see below), whose sum is σ = 876358284480. Its totient is φ = 134467664000.

The previous prime is 420617185867. The next prime is 420617185981. The reversal of 420617185914 is 419581716024.

It is a Curzon number.

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, 14475537 + ... + 14504564.

It is an arithmetic number, because the mean of its divisors is an integer number (27386196390).

Almost surely, 2^420617185914 is an apocalyptic number.

420617185914 is an abundant number, since it is smaller than the sum of its proper divisors (455741098566).

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

420617185914 is a wasteful number, since it uses less digits than its factorization.

420617185914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28980206.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 420617185914 in words is "four hundred twenty billion, six hundred seventeen million, one hundred eighty-five thousand, nine hundred fourteen".