421026875460 has 60 divisors (see below), whose sum is σ = 1320776906988. Its totient is φ = 112273833024.

The previous prime is 421026875459. The next prime is 421026875461. The reversal of 421026875460 is 64578620124.

421026875460 is a `hidden beast` number, since 4 + 2 + 1 + 0 + 26 + 87 + 546 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (421026875459) and next prime (421026875461).

It can be written as a sum of positive squares in 2 ways, for example, as 84067523136 + 336959352324 = 289944^2 + 580482^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×421026875460² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (421026875461) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 129944947 + ... + 129948186.

Almost surely, 2^421026875460 is an apocalyptic number.

It is an amenable number.

421026875460 is an abundant number, since it is smaller than the sum of its proper divisors (899750031528).

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

421026875460 is a wasteful number, since it uses less digits than its factorization.

421026875460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259893154 (or 259893143 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 421026875460 in words is "four hundred twenty-one billion, twenty-six million, eight hundred seventy-five thousand, four hundred sixty".