2249759140 has 24 divisors (see below), whose sum is σ = 4834368000. Its totient is φ = 878975328.

The previous prime is 2249759123. The next prime is 2249759147. The reversal of 2249759140 is 419579422.

It is a super-2 number, since 2×2249759140² = 10122832376027079200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (2249759147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307140 + ... + 1308859.

It is an arithmetic number, because the mean of its divisors is an integer number (201432000).

Almost surely, 2^2249759140 is an apocalyptic number.

2249759140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2249759140 is an abundant number, since it is smaller than the sum of its proper divisors (2584608860).

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

2249759140 is a wasteful number, since it uses less digits than its factorization.

2249759140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616051 (or 2616049 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 2249759140 is about 47431.6259472517. The cubic root of 2249759140 is about 1310.3239375268.

The spelling of 2249759140 in words is "two billion, two hundred forty-nine million, seven hundred fifty-nine thousand, one hundred forty".