961432299344 has 80 divisors (see below), whose sum is σ = 2057675711040. Its totient is φ = 431544622080.

The previous prime is 961432299307. The next prime is 961432299349. The reversal of 961432299344 is 443992234169.

It is a self number, because there is not a number n which added to its sum of digits gives 961432299344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961432299349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5812862 + ... + 5975970.

It is an arithmetic number, because the mean of its divisors is an integer number (25720946388).

Almost surely, 2^961432299344 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 961432299344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028837855520).

961432299344 is an abundant number, since it is smaller than the sum of its proper divisors (1096243411696).

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

961432299344 is a wasteful number, since it uses less digits than its factorization.

961432299344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163548 (or 163542 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 56.

The spelling of 961432299344 in words is "nine hundred sixty-one billion, four hundred thirty-two million, two hundred ninety-nine thousand, three hundred forty-four".