421325122456 has 32 divisors (see below), whose sum is σ = 902906484480. Its totient is φ = 180554522400.

The previous prime is 421325122451. The next prime is 421325122579. The reversal of 421325122456 is 654221523124.

It is a super-3 number, since 3×421325122456³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421325122451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502551 + ... + 1046521.

It is an arithmetic number, because the mean of its divisors is an integer number (28215827640).

Almost surely, 2^421325122456 is an apocalyptic number.

It is an amenable number.

421325122456 is an abundant number, since it is smaller than the sum of its proper divisors (481581362024).

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

421325122456 is a wasteful number, since it uses less digits than its factorization.

421325122456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557815 (or 557811 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The spelling of 421325122456 in words is "four hundred twenty-one billion, three hundred twenty-five million, one hundred twenty-two thousand, four hundred fifty-six".