420053652 has 18 divisors (see below), whose sum is σ = 1061802378. Its totient is φ = 140017872.

The previous prime is 420053591. The next prime is 420053677. The reversal of 420053652 is 256350024.

420053652 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 5 + 3 + 652 = 666.

It can be written as a sum of positive squares in only one way, i.e., 367258896 + 52794756 = 19164^2 + 7266^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5834043 + ... + 5834114.

It is an arithmetic number, because the mean of its divisors is an integer number (58989021).

Almost surely, 2^420053652 is an apocalyptic number.

It is an amenable number.

420053652 is an abundant number, since it is smaller than the sum of its proper divisors (641748726).

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

420053652 is a wasteful number, since it uses less digits than its factorization.

420053652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11668167 (or 11668162 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 420053652 is about 20495.2104648867. The cubic root of 420053652 is about 748.9191256960.

The spelling of 420053652 in words is "four hundred twenty million, fifty-three thousand, six hundred fifty-two".