2257469340 has 48 divisors (see below), whose sum is σ = 7223903232. Its totient is φ = 515992896.

The previous prime is 2257469327. The next prime is 2257469381. The reversal of 2257469340 is 439647522.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2257469292 and 2257469301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2687044 + ... + 2687883.

It is an arithmetic number, because the mean of its divisors is an integer number (150497984).

Almost surely, 2^2257469340 is an apocalyptic number.

2257469340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2257469340 is an abundant number, since it is smaller than the sum of its proper divisors (4966433892).

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

2257469340 is a wasteful number, since it uses less digits than its factorization.

2257469340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374946 (or 5374944 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 2257469340 is about 47512.8334242444. The cubic root of 2257469340 is about 1311.8191109615.

The spelling of 2257469340 in words is "two billion, two hundred fifty-seven million, four hundred sixty-nine thousand, three hundred forty".