43155146632 has 64 divisors (see below), whose sum is σ = 90269348400. Its totient is φ = 19213455360.

The previous prime is 43155146621. The next prime is 43155146687. The reversal of 43155146632 is 23664155134.

It can be written as a sum of positive squares in 8 ways, for example, as 4107015396 + 39048131236 = 64086^2 + 197606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322638 + ... + 436354.

Almost surely, 2^43155146632 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 43155146632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45134674200).

43155146632 is an abundant number, since it is smaller than the sum of its proper divisors (47114201768).

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

43155146632 is a wasteful number, since it uses less digits than its factorization.

43155146632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113866 (or 113862 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The spelling of 43155146632 in words is "forty-three billion, one hundred fifty-five million, one hundred forty-six thousand, six hundred thirty-two".