32256991401 has 8 divisors (see below), whose sum is σ = 44879292480. Its totient is φ = 20569675632.

The previous prime is 32256991369. The next prime is 32256991457. The reversal of 32256991401 is 10419965223.

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

It is not a de Polignac number, because 32256991401 - 2⁵ = 32256991369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32256991801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233746246 + ... + 233746383.

It is an arithmetic number, because the mean of its divisors is an integer number (5609911560).

Almost surely, 2^32256991401 is an apocalyptic number.

It is an amenable number.

32256991401 is a deficient number, since it is larger than the sum of its proper divisors (12622301079).

32256991401 is a wasteful number, since it uses less digits than its factorization.

32256991401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467492655.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 32256991401 in words is "thirty-two billion, two hundred fifty-six million, nine hundred ninety-one thousand, four hundred one".