260381620992 has 54 divisors (see below), whose sum is σ = 693032473252. Its totient is φ = 86789159936.

The previous prime is 260381620991. The next prime is 260381621021. The reversal of 260381620992 is 299026183062.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (260381620991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14131978 + ... + 14150390.

Almost surely, 2^260381620992 is an apocalyptic number.

It is an amenable number.

260381620992 is an abundant number, since it is smaller than the sum of its proper divisors (432650852260).

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

260381620992 is an frugal number, since it uses more digits than its factorization.

260381620992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36845 (or 18418 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

Multiplying 260381620992 by its sum of digits (48), we get a square (12498317807616 = 3535296²).

260381620992 divided by its sum of digits (48) gives a square (5424617104 = 73652²).

The spelling of 260381620992 in words is "two hundred sixty billion, three hundred eighty-one million, six hundred twenty thousand, nine hundred ninety-two".