4040172488 has 32 divisors (see below), whose sum is σ = 8268678720. Its totient is φ = 1835400000.

The previous prime is 4040172473. The next prime is 4040172583. The reversal of 4040172488 is 8842710404.

It is a happy number.

It is a super-2 number, since 2×4040172488² = 32645987465584220288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155213 + ... + 179363.

It is an arithmetic number, because the mean of its divisors is an integer number (258396210).

Almost surely, 2^4040172488 is an apocalyptic number.

It is an amenable number.

4040172488 is an abundant number, since it is smaller than the sum of its proper divisors (4228506232).

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

4040172488 is a wasteful number, since it uses less digits than its factorization.

4040172488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26069 (or 26065 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 4040172488 is about 63562.3511836999. The cubic root of 4040172488 is about 1592.6975144791.

The spelling of 4040172488 in words is "four billion, forty million, one hundred seventy-two thousand, four hundred eighty-eight".