4171957140 has 96 divisors (see below), whose sum is σ = 12786431616. Its totient is φ = 1010096640.

The previous prime is 4171957073. The next prime is 4171957151. The reversal of 4171957140 is 417591714.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3739 + ... + 91421.

It is an arithmetic number, because the mean of its divisors is an integer number (133191996).

Almost surely, 2^4171957140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4171957140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6393215808).

4171957140 is an abundant number, since it is smaller than the sum of its proper divisors (8614474476).

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

4171957140 is a wasteful number, since it uses less digits than its factorization.

4171957140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87769 (or 87767 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 4171957140 is about 64590.6892671072. The cubic root of 4171957140 is about 1609.8297390776.

The spelling of 4171957140 in words is "four billion, one hundred seventy-one million, nine hundred fifty-seven thousand, one hundred forty".