1928491473960 has 48 divisors (see below), whose sum is σ = 6267597291540. Its totient is φ = 514264392960.

The previous prime is 1928491473917. The next prime is 1928491473967. The reversal of 1928491473960 is 693741948291.

1928491473960 is a `hidden beast` number, since 19 + 2 + 8 + 4 + 91 + 473 + 9 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1670096151684 + 258395322276 = 1292322^2 + 508326^2 .

It is not an unprimeable number, because it can be changed into a prime (1928491473967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2678460021 + ... + 2678460740.

Almost surely, 2^{1928491473960} is an apocalyptic number.

1928491473960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1928491473960 is an abundant number, since it is smaller than the sum of its proper divisors (4339105817580).

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

1928491473960 is a wasteful number, since it uses less digits than its factorization.

1928491473960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356920778 (or 5356920771 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 1928491473960 in words is "one trillion, nine hundred twenty-eight billion, four hundred ninety-one million, four hundred seventy-three thousand, nine hundred sixty".