2251682340 has 48 divisors (see below), whose sum is σ = 6369724032. Its totient is φ = 594256896.

The previous prime is 2251682339. The next prime is 2251682341. The reversal of 2251682340 is 432861522.

It is an interprime number because it is at equal distance from previous prime (2251682339) and next prime (2251682341).

It is not an unprimeable number, because it can be changed into a prime (2251682341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187624 + ... + 199263.

It is an arithmetic number, because the mean of its divisors is an integer number (132702584).

Almost surely, 2^2251682340 is an apocalyptic number.

2251682340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251682340 is an abundant number, since it is smaller than the sum of its proper divisors (4118041692).

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

2251682340 is a wasteful number, since it uses less digits than its factorization.

2251682340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386996 (or 386994 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2251682340 is about 47451.8950095779. The cubic root of 2251682340 is about 1310.6972067088.

The spelling of 2251682340 in words is "two billion, two hundred fifty-one million, six hundred eighty-two thousand, three hundred forty".