204545454545396 has 24 divisors (see below), whose sum is σ = 363293503864704. Its totient is φ = 100754291897600.

The previous prime is 204545454545359. The next prime is 204545454545423. The reversal of 204545454545396 is 693545454545402.

It is a super-2 number, since 2×204545454545396² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872546780 + ... + 872781171.

It is an arithmetic number, because the mean of its divisors is an integer number (15137229327696).

Almost surely, 2^{204545454545396} is an apocalyptic number.

It is an amenable number.

204545454545396 is a deficient number, since it is larger than the sum of its proper divisors (158748049319308).

204545454545396 is a wasteful number, since it uses less digits than its factorization.

204545454545396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745328391 (or 1745328389 counting only the distinct ones).

The product of its (nonzero) digits is 1036800000, while the sum is 65.

The spelling of 204545454545396 in words is "two hundred four trillion, five hundred forty-five billion, four hundred fifty-four million, five hundred forty-five thousand, three hundred ninety-six".