1925556560 has 20 divisors (see below), whose sum is σ = 4476919188. Its totient is φ = 770222592.

The previous prime is 1925556559. The next prime is 1925556569. The reversal of 1925556560 is 656555291.

It can be written as a sum of positive squares in 2 ways, for example, as 553002256 + 1372554304 = 23516^2 + 37048^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925556569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12034649 + ... + 12034808.

Almost surely, 2^1925556560 is an apocalyptic number.

1925556560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1925556560 is an abundant number, since it is smaller than the sum of its proper divisors (2551362628).

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

1925556560 is a wasteful number, since it uses less digits than its factorization.

1925556560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24069470 (or 24069464 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 44.

The square root of 1925556560 is about 43881.1640684246. The cubic root of 1925556560 is about 1244.0908423028.

The spelling of 1925556560 in words is "one billion, nine hundred twenty-five million, five hundred fifty-six thousand, five hundred sixty".