421898158080 has 816 divisors, whose sum is σ = 1695962271744. Its totient is φ = 95032442880.

The previous prime is 421898158043. The next prime is 421898158103. The reversal of 421898158080 is 80851898124.

421898158080 is a `hidden beast` number, since 42 + 18 + 9 + 8 + 1 + 580 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2208890785 + ... + 2208890975.

Almost surely, 2^421898158080 is an apocalyptic number.

421898158080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421898158080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847981135872).

421898158080 is an abundant number, since it is smaller than the sum of its proper divisors (1274064113664).

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

421898158080 is a wasteful number, since it uses less digits than its factorization.

421898158080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 54.

The spelling of 421898158080 in words is "four hundred twenty-one billion, eight hundred ninety-eight million, one hundred fifty-eight thousand, eighty".