40736535616 has 56 divisors (see below), whose sum is σ = 92420602560. Its totient is φ = 17451720192.

The previous prime is 40736535601. The next prime is 40736535691. The reversal of 40736535616 is 61653563704.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1233171 + ... + 1265773.

Almost surely, 2^40736535616 is an apocalyptic number.

It is an amenable number.

40736535616 is an abundant number, since it is smaller than the sum of its proper divisors (51684066944).

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

40736535616 is a wasteful number, since it uses less digits than its factorization.

40736535616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35411 (or 35401 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 40736535616 in words is "forty billion, seven hundred thirty-six million, five hundred thirty-five thousand, six hundred sixteen".