420112514717648 has 40 divisors (see below), whose sum is σ = 861890152676040. Its totient is φ = 197690444779520.

The previous prime is 420112514717647. The next prime is 420112514717773. The reversal of 420112514717648 is 846717415211024.

It can be written as a sum of positive squares in 4 ways, for example, as 17808368704 + 420094706348944 = 133448^2 + 20496212^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 420112514717648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420112514717647) 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, 31716563 + ... + 42967026.

It is an arithmetic number, because the mean of its divisors is an integer number (21547253816901).

Almost surely, 2^{420112514717648} is an apocalyptic number.

It is an amenable number.

420112514717648 is an abundant number, since it is smaller than the sum of its proper divisors (441777637958392).

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

420112514717648 is a wasteful number, since it uses less digits than its factorization.

420112514717648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74704295 (or 74704289 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 420112514717648 in words is "four hundred twenty trillion, one hundred twelve billion, five hundred fourteen million, seven hundred seventeen thousand, six hundred forty-eight".