421408152 has 72 divisors (see below), whose sum is σ = 1254527820. Its totient is φ = 127696800.

The previous prime is 421408073. The next prime is 421408153. The reversal of 421408152 is 251804124.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421408153) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15474 + ... + 32897.

Almost surely, 2^421408152 is an apocalyptic number.

It is an amenable number.

421408152 is an abundant number, since it is smaller than the sum of its proper divisors (833119668).

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

421408152 is a wasteful number, since it uses less digits than its factorization.

421408152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48405 (or 48387 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 421408152 is about 20528.2281748815. The cubic root of 421408152 is about 749.7232472231.

The spelling of 421408152 in words is "four hundred twenty-one million, four hundred eight thousand, one hundred fifty-two".