421404492084 has 24 divisors (see below), whose sum is σ = 983291846208. Its totient is φ = 140466064320.

The previous prime is 421404492077. The next prime is 421404492101. The reversal of 421404492084 is 480294404124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721249 + ... + 1167479.

It is an arithmetic number, because the mean of its divisors is an integer number (40970493592).

Almost surely, 2^421404492084 is an apocalyptic number.

It is an amenable number.

421404492084 is an abundant number, since it is smaller than the sum of its proper divisors (561887354124).

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

421404492084 is a wasteful number, since it uses less digits than its factorization.

421404492084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524935 (or 524933 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 421404492084 in words is "four hundred twenty-one billion, four hundred four million, four hundred ninety-two thousand, eighty-four".