204700694440 has 256 divisors, whose sum is σ = 561030624000. Its totient is φ = 66249031680.

The previous prime is 204700694411. The next prime is 204700694447. The reversal of 204700694440 is 44496007402.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 204700694393 and 204700694402.

It is not an unprimeable number, because it can be changed into a prime (204700694447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109289344 + ... + 109291216.

It is an arithmetic number, because the mean of its divisors is an integer number (2191525875).

Almost surely, 2^204700694440 is an apocalyptic number.

204700694440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204700694440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280515312000).

204700694440 is an abundant number, since it is smaller than the sum of its proper divisors (356329929560).

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

204700694440 is a wasteful number, since it uses less digits than its factorization.

204700694440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2696 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 204700694440 in words is "two hundred four billion, seven hundred million, six hundred ninety-four thousand, four hundred forty".