15420441203464 has 32 divisors (see below), whose sum is σ = 32913194667840. Its totient is φ = 6704539652800.

The previous prime is 15420441203443. The next prime is 15420441203483. The reversal of 15420441203464 is 46430214402451.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3809395507 + ... + 3809399554.

It is an arithmetic number, because the mean of its divisors is an integer number (1028537333370).

Almost surely, 2^{15420441203464} is an apocalyptic number.

It is an amenable number.

15420441203464 is an abundant number, since it is smaller than the sum of its proper divisors (17492753464376).

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

15420441203464 is a wasteful number, since it uses less digits than its factorization.

15420441203464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618795101 (or 7618795097 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 15420441203464 in words is "fifteen trillion, four hundred twenty billion, four hundred forty-one million, two hundred three thousand, four hundred sixty-four".