4172640522 has 8 divisors (see below), whose sum is σ = 8345281056. Its totient is φ = 1390880172.

The previous prime is 4172640503. The next prime is 4172640569. The reversal of 4172640522 is 2250462714.

4172640522 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

4172640522 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347720038 + ... + 347720049.

It is an arithmetic number, because the mean of its divisors is an integer number (1043160132).

Almost surely, 2^4172640522 is an apocalyptic number.

4172640522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4172640522 is a wasteful number, since it uses less digits than its factorization.

4172640522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695440092.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 4172640522 is about 64595.9791473123. The cubic root of 4172640522 is about 1609.9176329658.

The spelling of 4172640522 in words is "four billion, one hundred seventy-two million, six hundred forty thousand, five hundred twenty-two".