263225488380972 has 96 divisors (see below), whose sum is σ = 676844393998080. Its totient is φ = 79106142447360.

The previous prime is 263225488380971. The next prime is 263225488380979. The reversal of 263225488380972 is 279083884522362.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 263225488380897 and 263225488380906.

It is not an unprimeable number, because it can be changed into a prime (263225488380971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195060322 + ... + 196405142.

It is an arithmetic number, because the mean of its divisors is an integer number (7050462437480).

Almost surely, 2^{263225488380972} is an apocalyptic number.

It is an amenable number.

263225488380972 is an abundant number, since it is smaller than the sum of its proper divisors (413618905617108).

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

263225488380972 is a wasteful number, since it uses less digits than its factorization.

263225488380972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374063 (or 1374061 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 69.

The spelling of 263225488380972 in words is "two hundred sixty-three trillion, two hundred twenty-five billion, four hundred eighty-eight million, three hundred eighty thousand, nine hundred seventy-two".