40036482491 has 16 divisors (see below), whose sum is σ = 43769894400. Its totient is φ = 36493053408.

The previous prime is 40036482433. The next prime is 40036482509. The reversal of 40036482491 is 19428463004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40036482491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40036482401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327260 + ... + 432633.

It is an arithmetic number, because the mean of its divisors is an integer number (2735618400).

Almost surely, 2^40036482491 is an apocalyptic number.

40036482491 is a deficient number, since it is larger than the sum of its proper divisors (3733411909).

40036482491 is a wasteful number, since it uses less digits than its factorization.

40036482491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760018.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 40036482491 in words is "forty billion, thirty-six million, four hundred eighty-two thousand, four hundred ninety-one".