2257390144 has 21 divisors (see below), whose sum is σ = 4480262947. Its totient is φ = 1128505024.

The previous prime is 2257390141. The next prime is 2257390153. The reversal of 2257390144 is 4410937522.

The square root of 2257390144 is 47512.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2257390141) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 377127 + ... + 383065.

Almost surely, 2^2257390144 is an apocalyptic number.

2257390144 is the 47512-nd square number.

It is an amenable number.

2257390144 is a deficient number, since it is larger than the sum of its proper divisors (2222872803).

2257390144 is an frugal number, since it uses more digits than its factorization.

2257390144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890 (or 5941 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The cubic root of 2257390144 is about 1311.8037704739.

The spelling of 2257390144 in words is "two billion, two hundred fifty-seven million, three hundred ninety thousand, one hundred forty-four".