205440460446 has 32 divisors (see below), whose sum is σ = 443495162880. Its totient is φ = 63068446944.

The previous prime is 205440460441. The next prime is 205440460471. The reversal of 205440460446 is 644064044502.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205440460441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2965590 + ... + 3034073.

It is an arithmetic number, because the mean of its divisors is an integer number (13859223840).

Almost surely, 2^205440460446 is an apocalyptic number.

205440460446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

205440460446 is an abundant number, since it is smaller than the sum of its proper divisors (238054702434).

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

205440460446 is a wasteful number, since it uses less digits than its factorization.

205440460446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000120.

The product of its (nonzero) digits is 368640, while the sum is 39.

The spelling of 205440460446 in words is "two hundred five billion, four hundred forty million, four hundred sixty thousand, four hundred forty-six".