263440712045052 has 36 divisors (see below), whose sum is σ = 690583265733816. Its totient is φ = 87813570681360.

The previous prime is 263440712045047. The next prime is 263440712045053. The reversal of 263440712045052 is 250540217044362.

263440712045052 is a `hidden beast` number, since 2 + 6 + 34 + 40 + 7 + 120 + 450 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 263440712044989 and 263440712045007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263440712045053) 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, 135514768599 + ... + 135514770542.

It is an arithmetic number, because the mean of its divisors is an integer number (19182868492606).

Almost surely, 2^{263440712045052} is an apocalyptic number.

It is an amenable number.

263440712045052 is an abundant number, since it is smaller than the sum of its proper divisors (427142553688764).

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

263440712045052 is a wasteful number, since it uses less digits than its factorization.

263440712045052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271029539160 (or 271029539146 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The spelling of 263440712045052 in words is "two hundred sixty-three trillion, four hundred forty billion, seven hundred twelve million, forty-five thousand, fifty-two".