420156444354 has 32 divisors (see below), whose sum is σ = 890947200960. Its totient is φ = 131635395072.

The previous prime is 420156444341. The next prime is 420156444361. The reversal of 420156444354 is 453444651024.

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, 2711619 + ... + 2862374.

It is an arithmetic number, because the mean of its divisors is an integer number (27842100030).

Almost surely, 2^420156444354 is an apocalyptic number.

420156444354 is an abundant number, since it is smaller than the sum of its proper divisors (470790756606).

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

420156444354 is a wasteful number, since it uses less digits than its factorization.

420156444354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574754.

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 420156444354 in words is "four hundred twenty billion, one hundred fifty-six million, four hundred forty-four thousand, three hundred fifty-four".