1565056372 has 48 divisors (see below), whose sum is σ = 3151673280. Its totient is φ = 672537600.

The previous prime is 1565056351. The next prime is 1565056379. The reversal of 1565056372 is 2736505651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1565056379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463972 + ... + 467332.

It is an arithmetic number, because the mean of its divisors is an integer number (65659860).

Almost surely, 2^1565056372 is an apocalyptic number.

It is an amenable number.

1565056372 is an abundant number, since it is smaller than the sum of its proper divisors (1586616908).

1565056372 is a wasteful number, since it uses less digits than its factorization.

1565056372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 1565056372 is about 39560.7933691932. The cubic root of 1565056372 is about 1161.0296970738.

The spelling of 1565056372 in words is "one billion, five hundred sixty-five million, fifty-six thousand, three hundred seventy-two".