36149394940 has 24 divisors (see below), whose sum is σ = 78531445440. Its totient is φ = 13961145408.

The previous prime is 36149394923. The next prime is 36149394947. The reversal of 36149394940 is 4949394163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36149394947) 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 7 ways as a sum of consecutive naturals, for example, 31162692 + ... + 31163851.

It is an arithmetic number, because the mean of its divisors is an integer number (3272143560).

Almost surely, 2^36149394940 is an apocalyptic number.

It is an amenable number.

36149394940 is an abundant number, since it is smaller than the sum of its proper divisors (42382050500).

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

36149394940 is a wasteful number, since it uses less digits than its factorization.

36149394940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62326581 (or 62326579 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 36149394940 in words is "thirty-six billion, one hundred forty-nine million, three hundred ninety-four thousand, nine hundred forty".