421484151520 has 48 divisors (see below), whose sum is σ = 997370409168. Its totient is φ = 168320373760.

The previous prime is 421484151479. The next prime is 421484151527. The reversal of 421484151520 is 25151484124.

It is a self number, because there is not a number n which added to its sum of digits gives 421484151520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421484151527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036026 + ... + 2233465.

It is an arithmetic number, because the mean of its divisors is an integer number (20778550191).

Almost surely, 2^421484151520 is an apocalyptic number.

421484151520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421484151520 is an abundant number, since it is smaller than the sum of its proper divisors (575886257648).

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

421484151520 is a wasteful number, since it uses less digits than its factorization.

421484151520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270123 (or 4270115 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 37.

The spelling of 421484151520 in words is "four hundred twenty-one billion, four hundred eighty-four million, one hundred fifty-one thousand, five hundred twenty".