40291007796 has 96 divisors (see below), whose sum is σ = 112878501120. Its totient is φ = 12354795648.

The previous prime is 40291007753. The next prime is 40291007831. The reversal of 40291007796 is 69770019204.

40291007796 is a `hidden beast` number, since 402 + 91 + 0 + 0 + 77 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362401 + ... + 460343.

It is an arithmetic number, because the mean of its divisors is an integer number (1175817720).

Almost surely, 2^40291007796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40291007796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56439250560).

40291007796 is an abundant number, since it is smaller than the sum of its proper divisors (72587493324).

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

40291007796 is a wasteful number, since it uses less digits than its factorization.

40291007796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98262 (or 98254 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 40291007796 in words is "forty billion, two hundred ninety-one million, seven thousand, seven hundred ninety-six".