421275402266004 has 288 divisors, whose sum is σ = 1272582629136000. Its totient is φ = 115813049425920.

The previous prime is 421275402265859. The next prime is 421275402266023. The reversal of 421275402266004 is 400662204572124.

421275402266004 is a `hidden beast` number, since 4 + 2 + 1 + 27 + 540 + 2 + 26 + 60 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1229639592 + ... + 1229982144.

It is an arithmetic number, because the mean of its divisors is an integer number (4418689684500).

Almost surely, 2^{421275402266004} is an apocalyptic number.

421275402266004 is a gapful number since it is divisible by the number (44) 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 421275402266004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636291314568000).

421275402266004 is an abundant number, since it is smaller than the sum of its proper divisors (851307226869996).

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

421275402266004 is a wasteful number, since it uses less digits than its factorization.

421275402266004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346695 (or 346690 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 421275402266004 in words is "four hundred twenty-one trillion, two hundred seventy-five billion, four hundred two million, two hundred sixty-six thousand, four".