263126371452 has 72 divisors (see below), whose sum is σ = 714298067280. Its totient is φ = 75168656640.

The previous prime is 263126371447. The next prime is 263126371493. The reversal of 263126371452 is 254173621362.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4948624 + ... + 5001512.

It is an arithmetic number, because the mean of its divisors is an integer number (9920806490).

Almost surely, 2^263126371452 is an apocalyptic number.

It is an amenable number.

263126371452 is an abundant number, since it is smaller than the sum of its proper divisors (451171695828).

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

263126371452 is a wasteful number, since it uses less digits than its factorization.

263126371452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61371 (or 61362 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The spelling of 263126371452 in words is "two hundred sixty-three billion, one hundred twenty-six million, three hundred seventy-one thousand, four hundred fifty-two".