32127077440 has 28 divisors (see below), whose sum is σ = 76502603916. Its totient is φ = 12850830848.

The previous prime is 32127077431. The next prime is 32127077443. The reversal of 32127077440 is 4477072123.

It can be written as a sum of positive squares in 2 ways, for example, as 19718899776 + 12408177664 = 140424^2 + 111392^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32127077440.

It is not an unprimeable number, because it can be changed into a prime (32127077443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50198239 + ... + 50198878.

Almost surely, 2^32127077440 is an apocalyptic number.

It is an amenable number.

32127077440 is an abundant number, since it is smaller than the sum of its proper divisors (44375526476).

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

32127077440 is a wasteful number, since it uses less digits than its factorization.

32127077440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100397134 (or 100397124 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The spelling of 32127077440 in words is "thirty-two billion, one hundred twenty-seven million, seventy-seven thousand, four hundred forty".