40396036608 has 80 divisors (see below), whose sum is σ = 119575114560. Its totient is φ = 13465340928.

The previous prime is 40396036607. The next prime is 40396036613. The reversal of 40396036608 is 80663069304.

40396036608 is a `hidden beast` number, since 4 + 0 + 3 + 9 + 6 + 0 + 36 + 608 = 666.

It is a super-2 number, since 2×40396036608² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40396036607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447260 + ... + 1474907.

It is an arithmetic number, because the mean of its divisors is an integer number (1494688932).

Almost surely, 2^40396036608 is an apocalyptic number.

40396036608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40396036608 is an abundant number, since it is smaller than the sum of its proper divisors (79179077952).

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

40396036608 is an equidigital number, since it uses as much as digits as its factorization.

40396036608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922194 (or 2922172 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 40396036608 in words is "forty billion, three hundred ninety-six million, thirty-six thousand, six hundred eight".