32432172468 has 12 divisors (see below), whose sum is σ = 75675069120. Its totient is φ = 10810724152.

The previous prime is 32432172457. The next prime is 32432172469. The reversal of 32432172468 is 86427123423.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×32432172468² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32432172469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351340508 + ... + 1351340531.

It is an arithmetic number, because the mean of its divisors is an integer number (6306255760).

Almost surely, 2^32432172468 is an apocalyptic number.

It is an amenable number.

32432172468 is an abundant number, since it is smaller than the sum of its proper divisors (43242896652).

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

32432172468 is a wasteful number, since it uses less digits than its factorization.

32432172468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702681046 (or 2702681044 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The spelling of 32432172468 in words is "thirty-two billion, four hundred thirty-two million, one hundred seventy-two thousand, four hundred sixty-eight".