263478552144 has 20 divisors (see below), whose sum is σ = 680652926496. Its totient is φ = 87826184032.

The previous prime is 263478552131. The next prime is 263478552179. The reversal of 263478552144 is 441255874362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2744568204 + ... + 2744568299.

Almost surely, 2^263478552144 is an apocalyptic number.

263478552144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

263478552144 is an abundant number, since it is smaller than the sum of its proper divisors (417174374352).

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

263478552144 is a wasteful number, since it uses less digits than its factorization.

263478552144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489136514 (or 5489136508 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 51.

The spelling of 263478552144 in words is "two hundred sixty-three billion, four hundred seventy-eight million, five hundred fifty-two thousand, one hundred forty-four".