1564213488 has 40 divisors (see below), whose sum is σ = 4042300800. Its totient is φ = 521221824.

The previous prime is 1564213481. The next prime is 1564213501. The reversal of 1564213488 is 8843124651.

It is a happy number.

It is a super-2 number, since 2×1564213488² = 4893527672082252288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1564213481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267783 + ... + 273561.

It is an arithmetic number, because the mean of its divisors is an integer number (101057520).

Almost surely, 2^1564213488 is an apocalyptic number.

It is an amenable number.

1564213488 is an abundant number, since it is smaller than the sum of its proper divisors (2478087312).

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

1564213488 is a wasteful number, since it uses less digits than its factorization.

1564213488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11429 (or 11423 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 1564213488 is about 39550.1389125247. The cubic root of 1564213488 is about 1160.8212298033.

The spelling of 1564213488 in words is "one billion, five hundred sixty-four million, two hundred thirteen thousand, four hundred eighty-eight".