2117174440 has 32 divisors (see below), whose sum is σ = 4772400480. Its totient is φ = 845312832.

The previous prime is 2117174431. The next prime is 2117174539. The reversal of 2117174440 is 444717112.

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, 26502 + ... + 70261.

It is an arithmetic number, because the mean of its divisors is an integer number (149137515).

Almost surely, 2^2117174440 is an apocalyptic number.

2117174440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2117174440 is an abundant number, since it is smaller than the sum of its proper divisors (2655226040).

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

2117174440 is a wasteful number, since it uses less digits than its factorization.

2117174440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97321 (or 97317 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 2117174440 is about 46012.7638813406. The cubic root of 2117174440 is about 1284.0606800967.

The spelling of 2117174440 in words is "two billion, one hundred seventeen million, one hundred seventy-four thousand, four hundred forty".