420156444360 has 64 divisors (see below), whose sum is σ = 1267068718080. Its totient is φ = 111455106560.

The previous prime is 420156444341. The next prime is 420156444361. The reversal of 420156444360 is 63444651024.

It is not an unprimeable number, because it can be changed into a prime (420156444361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9142797 + ... + 9188636.

It is an arithmetic number, because the mean of its divisors is an integer number (19797948720).

Almost surely, 2^420156444360 is an apocalyptic number.

420156444360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420156444360 is an abundant number, since it is smaller than the sum of its proper divisors (846912273720).

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

420156444360 is a wasteful number, since it uses less digits than its factorization.

420156444360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18331638 (or 18331634 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 420156444360 in words is "four hundred twenty billion, one hundred fifty-six million, four hundred forty-four thousand, three hundred sixty".