40849090136 has 16 divisors (see below), whose sum is σ = 76719494040. Its totient is φ = 20390558400.

The previous prime is 40849090127. The next prime is 40849090159. The reversal of 40849090136 is 63109094804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4243226 + ... + 4252841.

Almost surely, 2^40849090136 is an apocalyptic number.

It is an amenable number.

40849090136 is a deficient number, since it is larger than the sum of its proper divisors (35870403904).

40849090136 is a wasteful number, since it uses less digits than its factorization.

40849090136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496674 (or 8496670 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 40849090136 in words is "forty billion, eight hundred forty-nine million, ninety thousand, one hundred thirty-six".