421234150424454 has 48 divisors (see below), whose sum is σ = 917514622252800. Its totient is φ = 139667062494960.

The previous prime is 421234150424407. The next prime is 421234150424489. The reversal of 421234150424454 is 454424051432124.

421234150424454 is a `hidden beast` number, since 4 + 2 + 1 + 2 + 3 + 4 + 150 + 42 + 4 + 454 = 666.

It is a super-2 number, since 2×421234150424454² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3381012 + ... + 29221559.

It is an arithmetic number, because the mean of its divisors is an integer number (19114887963600).

Almost surely, 2^{421234150424454} is an apocalyptic number.

421234150424454 is an abundant number, since it is smaller than the sum of its proper divisors (496280471828346).

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

421234150424454 is a wasteful number, since it uses less digits than its factorization.

421234150424454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32606385 (or 32606382 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 45.

The spelling of 421234150424454 in words is "four hundred twenty-one trillion, two hundred thirty-four billion, one hundred fifty million, four hundred twenty-four thousand, four hundred fifty-four".