265254520502040 has 128 divisors (see below), whose sum is σ = 797306106859200. Its totient is φ = 70597447188480.

The previous prime is 265254520502011. The next prime is 265254520502053. The reversal of 265254520502040 is 40205025452562.

It is a junction number, because it is equal to n+sod(n) for n = 265254520501983 and 265254520502001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745688064 + ... + 746043696.

Almost surely, 2^{265254520502040} is an apocalyptic number.

265254520502040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265254520502040 is an abundant number, since it is smaller than the sum of its proper divisors (532051586357160).

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

265254520502040 is a wasteful number, since it uses less digits than its factorization.

265254520502040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367677 (or 367673 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 265254520502040 in words is "two hundred sixty-five trillion, two hundred fifty-four billion, five hundred twenty million, five hundred two thousand, forty".