2251142364 has 48 divisors (see below), whose sum is σ = 5398574720. Its totient is φ = 729691200.

The previous prime is 2251142347. The next prime is 2251142389. The reversal of 2251142364 is 4632411522.

2251142364 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 108639 + ... + 127689.

Almost surely, 2^2251142364 is an apocalyptic number.

It is an amenable number.

2251142364 is an abundant number, since it is smaller than the sum of its proper divisors (3147432356).

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

2251142364 is a wasteful number, since it uses less digits than its factorization.

2251142364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19330 (or 19328 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2251142364 is about 47446.2049483412. The cubic root of 2251142364 is about 1310.5924255556.

Adding to 2251142364 its reverse (4632411522), we get a palindrome (6883553886).

The spelling of 2251142364 in words is "two billion, two hundred fifty-one million, one hundred forty-two thousand, three hundred sixty-four".