420153564 has 12 divisors (see below), whose sum is σ = 980358344. Its totient is φ = 140051184.

The previous prime is 420153551. The next prime is 420153577. The reversal of 420153564 is 465351024.

It is an interprime number because it is at equal distance from previous prime (420153551) and next prime (420153577).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17506387 + ... + 17506410.

Almost surely, 2^420153564 is an apocalyptic number.

It is an amenable number.

420153564 is an abundant number, since it is smaller than the sum of its proper divisors (560204780).

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

420153564 is a wasteful number, since it uses less digits than its factorization.

420153564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35012804 (or 35012802 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 420153564 is about 20497.6477674879. The cubic root of 420153564 is about 748.9784991240.

The spelling of 420153564 in words is "four hundred twenty million, one hundred fifty-three thousand, five hundred sixty-four".