420157538034 has 32 divisors (see below), whose sum is σ = 908709736704. Its totient is φ = 128742808320.

The previous prime is 420157538023. The next prime is 420157538063. The reversal of 420157538034 is 430835751024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11156794 + ... + 11194389.

It is an arithmetic number, because the mean of its divisors is an integer number (28397179272).

Almost surely, 2^420157538034 is an apocalyptic number.

420157538034 is an abundant number, since it is smaller than the sum of its proper divisors (488552198670).

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

420157538034 is a wasteful number, since it uses less digits than its factorization.

420157538034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22351442.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 420157538034 in words is "four hundred twenty billion, one hundred fifty-seven million, five hundred thirty-eight thousand, thirty-four".