1925243680 has 24 divisors (see below), whose sum is σ = 4548388572. Its totient is φ = 770097408.

The previous prime is 1925243669. The next prime is 1925243699. The reversal of 1925243680 is 863425291.

It can be written as a sum of positive squares in 2 ways, for example, as 1876968976 + 48274704 = 43324^2 + 6948^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 6016227 + ... + 6016546.

Almost surely, 2^1925243680 is an apocalyptic number.

1925243680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1925243680 is an abundant number, since it is smaller than the sum of its proper divisors (2623144892).

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

1925243680 is a wasteful number, since it uses less digits than its factorization.

1925243680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12032788 (or 12032780 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1925243680 is about 43877.5988404106. The cubic root of 1925243680 is about 1244.0234553395.

The spelling of 1925243680 in words is "one billion, nine hundred twenty-five million, two hundred forty-three thousand, six hundred eighty".