421416156356 has 36 divisors (see below), whose sum is σ = 845545944852. Its totient is φ = 183058596864.

The previous prime is 421416156323. The next prime is 421416156367. The reversal of 421416156356 is 653651614124.

It can be written as a sum of positive squares in 6 ways, for example, as 122371233856 + 299044922500 = 349816^2 + 546850^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18323705 + ... + 18346688.

It is an arithmetic number, because the mean of its divisors is an integer number (23487387357).

Almost surely, 2^421416156356 is an apocalyptic number.

It is an amenable number.

421416156356 is an abundant number, since it is smaller than the sum of its proper divisors (424129788496).

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

421416156356 is a wasteful number, since it uses less digits than its factorization.

421416156356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36670440 (or 36670425 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 421416156356 in words is "four hundred twenty-one billion, four hundred sixteen million, one hundred fifty-six thousand, three hundred fifty-six".