2252606640 has 40 divisors (see below), whose sum is σ = 6983081328. Its totient is φ = 600695040.

The previous prime is 2252606633. The next prime is 2252606651. The reversal of 2252606640 is 466062522.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4692691 + ... + 4693170.

Almost surely, 2^2252606640 is an apocalyptic number.

2252606640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252606640 is an abundant number, since it is smaller than the sum of its proper divisors (4730474688).

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

2252606640 is a wasteful number, since it uses less digits than its factorization.

2252606640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9385877 (or 9385871 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2252606640 is about 47461.6333473681. The cubic root of 2252606640 is about 1310.8765262154.

The spelling of 2252606640 in words is "two billion, two hundred fifty-two million, six hundred six thousand, six hundred forty".