2263512120440 has 32 divisors (see below), whose sum is σ = 5095135226160. Its totient is φ = 905007878400.

The previous prime is 2263512120439. The next prime is 2263512120451. The reversal of 2263512120440 is 440212153622.

It is a junction number, because it is equal to n+sod(n) for n = 2263512120397 and 2263512120406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12312926 + ... + 12495405.

Almost surely, 2^{2263512120440} is an apocalyptic number.

2263512120440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2263512120440 is an abundant number, since it is smaller than the sum of its proper divisors (2831623105720).

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

2263512120440 is a wasteful number, since it uses less digits than its factorization.

2263512120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24810623 (or 24810619 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 2263512120440 in words is "two trillion, two hundred sixty-three billion, five hundred twelve million, one hundred twenty thousand, four hundred forty".