2257671988 has 48 divisors (see below), whose sum is σ = 4687724160. Its totient is φ = 937872000.

The previous prime is 2257671967. The next prime is 2257672007. The reversal of 2257671988 is 8891767522.

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, 38233 + ... + 77311.

It is an arithmetic number, because the mean of its divisors is an integer number (97660920).

Almost surely, 2^2257671988 is an apocalyptic number.

It is an amenable number.

2257671988 is an abundant number, since it is smaller than the sum of its proper divisors (2430052172).

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

2257671988 is a wasteful number, since it uses less digits than its factorization.

2257671988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39208 (or 39206 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The square root of 2257671988 is about 47514.9659370603. The cubic root of 2257671988 is about 1311.8583628146.

The spelling of 2257671988 in words is "two billion, two hundred fifty-seven million, six hundred seventy-one thousand, nine hundred eighty-eight".