1215416264 has 16 divisors (see below), whose sum is σ = 2307753600. Its totient is φ = 600015312.

The previous prime is 1215416243. The next prime is 1215416291. The reversal of 1215416264 is 4626145121.

It is a self number, because there is not a number n which added to its sum of digits gives 1215416264.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960932 + ... + 962195.

It is an arithmetic number, because the mean of its divisors is an integer number (144234600).

Almost surely, 2^1215416264 is an apocalyptic number.

It is an amenable number.

1215416264 is a deficient number, since it is larger than the sum of its proper divisors (1092337336).

1215416264 is a wasteful number, since it uses less digits than its factorization.

1215416264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923212 (or 1923208 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1215416264 is about 34862.8206546745. The cubic root of 1215416264 is about 1067.1898380614.

The spelling of 1215416264 in words is "one billion, two hundred fifteen million, four hundred sixteen thousand, two hundred sixty-four".