415220655815 has 24 divisors (see below), whose sum is σ = 579904776000. Its totient is φ = 284579967168.

The previous prime is 415220655781. The next prime is 415220655919. The reversal of 415220655815 is 518556022514.

It is a happy number.

It is not a de Polignac number, because 415220655815 - 2¹⁸ = 415220393671 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65849 + ... + 913661.

It is an arithmetic number, because the mean of its divisors is an integer number (24162699000).

Almost surely, 2^415220655815 is an apocalyptic number.

415220655815 is a deficient number, since it is larger than the sum of its proper divisors (164684120185).

415220655815 is a wasteful number, since it uses less digits than its factorization.

415220655815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849831 (or 849824 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 44.

The spelling of 415220655815 in words is "four hundred fifteen billion, two hundred twenty million, six hundred fifty-five thousand, eight hundred fifteen".