40020291776 has 14 divisors (see below), whose sum is σ = 79415266620. Its totient is φ = 20010145856.

The previous prime is 40020291763. The next prime is 40020291799. The reversal of 40020291776 is 67719202004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312658466 + ... + 312658593.

Almost surely, 2^40020291776 is an apocalyptic number.

It is an amenable number.

40020291776 is a deficient number, since it is larger than the sum of its proper divisors (39394974844).

40020291776 is an equidigital number, since it uses as much as digits as its factorization.

40020291776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625317071 (or 625317061 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 40020291776 in words is "forty billion, twenty million, two hundred ninety-one thousand, seven hundred seventy-six".