172951694940 has 96 divisors (see below), whose sum is σ = 495321039360. Its totient is φ = 45076516096.

The previous prime is 172951694939. The next prime is 172951694957. The reversal of 172951694940 is 49496159271.

It is a happy number.

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, 471217 + ... + 753623.

It is an arithmetic number, because the mean of its divisors is an integer number (5159594160).

Almost surely, 2^172951694940 is an apocalyptic number.

172951694940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172951694940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247660519680).

172951694940 is an abundant number, since it is smaller than the sum of its proper divisors (322369344420).

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

172951694940 is a wasteful number, since it uses less digits than its factorization.

172951694940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282651 (or 282649 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 172951694940 in words is "one hundred seventy-two billion, nine hundred fifty-one million, six hundred ninety-four thousand, nine hundred forty".