40168802828 has 48 divisors (see below), whose sum is σ = 90663148800. Its totient is φ = 15110518080.

The previous prime is 40168802809. The next prime is 40168802833. The reversal of 40168802828 is 82820886104.

It is a super-2 number, since 2×40168802828² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2239658 + ... + 2257521.

It is an arithmetic number, because the mean of its divisors is an integer number (1888815600).

Almost surely, 2^40168802828 is an apocalyptic number.

It is an amenable number.

40168802828 is an abundant number, since it is smaller than the sum of its proper divisors (50494345972).

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

40168802828 is a wasteful number, since it uses less digits than its factorization.

40168802828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497230 (or 4497228 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 47.

The spelling of 40168802828 in words is "forty billion, one hundred sixty-eight million, eight hundred two thousand, eight hundred twenty-eight".