40890987795 has 48 divisors (see below), whose sum is σ = 76688460288. Its totient is φ = 18550284480.

The previous prime is 40890987737. The next prime is 40890987811. The reversal of 40890987795 is 59778909804.

It is not a de Polignac number, because 40890987795 - 2¹³ = 40890979603 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116059 + ... + 308628.

It is an arithmetic number, because the mean of its divisors is an integer number (1597676256).

Almost surely, 2^40890987795 is an apocalyptic number.

40890987795 is a deficient number, since it is larger than the sum of its proper divisors (35797472493).

40890987795 is a wasteful number, since it uses less digits than its factorization.

40890987795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424840 (or 424833 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 66.

The spelling of 40890987795 in words is "forty billion, eight hundred ninety million, nine hundred eighty-seven thousand, seven hundred ninety-five".