421024210090 has 32 divisors (see below), whose sum is σ = 855246677760. Its totient is φ = 147820411200.

The previous prime is 421024210001. The next prime is 421024210127. The reversal of 421024210090 is 90012420124.

It is a super-2 number, since 2×421024210090² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65988066 + ... + 65994445.

It is an arithmetic number, because the mean of its divisors is an integer number (26726458680).

Almost surely, 2^421024210090 is an apocalyptic number.

421024210090 is an abundant number, since it is smaller than the sum of its proper divisors (434222467670).

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

421024210090 is a wasteful number, since it uses less digits than its factorization.

421024210090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131982558.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 421024210090 in words is "four hundred twenty-one billion, twenty-four million, two hundred ten thousand, ninety".