40193857204 has 24 divisors (see below), whose sum is σ = 73134147240. Its totient is φ = 19305422976.

The previous prime is 40193857201. The next prime is 40193857229. The reversal of 40193857204 is 40275839104.

It can be written as a sum of positive squares in 4 ways, for example, as 8630781604 + 31563075600 = 92902^2 + 177660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40193857201) 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, 856587 + ... + 902290.

It is an arithmetic number, because the mean of its divisors is an integer number (3047256135).

Almost surely, 2^40193857204 is an apocalyptic number.

It is an amenable number.

40193857204 is a deficient number, since it is larger than the sum of its proper divisors (32940290036).

40193857204 is a wasteful number, since it uses less digits than its factorization.

40193857204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759107 (or 1759105 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 40193857204 in words is "forty billion, one hundred ninety-three million, eight hundred fifty-seven thousand, two hundred four".