415220026520 has 64 divisors (see below), whose sum is σ = 1030649387040. Its totient is φ = 149572684800.

The previous prime is 415220026511. The next prime is 415220026549. The reversal of 415220026520 is 25620022514.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9716486 + ... + 9759125.

Almost surely, 2^415220026520 is an apocalyptic number.

415220026520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

415220026520 is an abundant number, since it is smaller than the sum of its proper divisors (615429360520).

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

415220026520 is a wasteful number, since it uses less digits than its factorization.

415220026520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19475676 (or 19475672 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 415220026520 in words is "four hundred fifteen billion, two hundred twenty million, twenty-six thousand, five hundred twenty".