2251550640236 has 48 divisors (see below), whose sum is σ = 4215331435392. Its totient is φ = 1048566585600.

The previous prime is 2251550640223. The next prime is 2251550640299. The reversal of 2251550640236 is 6320460551522.

It is a junction number, because it is equal to n+sod(n) for n = 2251550640193 and 2251550640202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6905651 + ... + 7224341.

It is an arithmetic number, because the mean of its divisors is an integer number (87819404904).

Almost surely, 2^{2251550640236} is an apocalyptic number.

It is an amenable number.

2251550640236 is a deficient number, since it is larger than the sum of its proper divisors (1963780795156).

2251550640236 is a wasteful number, since it uses less digits than its factorization.

2251550640236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319790 (or 319788 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 2251550640236 in words is "two trillion, two hundred fifty-one billion, five hundred fifty million, six hundred forty thousand, two hundred thirty-six".