420454462152 has 32 divisors (see below), whose sum is σ = 1051164540000. Its totient is φ = 140147702784.

The previous prime is 420454462151. The next prime is 420454462223. The reversal of 420454462152 is 251264454024.

It is a super-2 number, since 2×420454462152² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420454462152.

It is not an unprimeable number, because it can be changed into a prime (420454462151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755688 + ... + 1188264.

It is an arithmetic number, because the mean of its divisors is an integer number (32848891875).

Almost surely, 2^420454462152 is an apocalyptic number.

It is an amenable number.

420454462152 is an abundant number, since it is smaller than the sum of its proper divisors (630710077848).

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

420454462152 is a wasteful number, since it uses less digits than its factorization.

420454462152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473085 (or 473081 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

The spelling of 420454462152 in words is "four hundred twenty billion, four hundred fifty-four million, four hundred sixty-two thousand, one hundred fifty-two".