205412044374 has 24 divisors (see below), whose sum is σ = 449647674840. Its totient is φ = 67764797568.

The previous prime is 205412044337. The next prime is 205412044391. The reversal of 205412044374 is 473440214502.

205412044374 is a `hidden beast` number, since 2 + 0 + 541 + 2 + 0 + 4 + 43 + 74 = 666.

It is a super-2 number, since 2×205412044374² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58821864 + ... + 58825355.

It is an arithmetic number, because the mean of its divisors is an integer number (18735319785).

Almost surely, 2^205412044374 is an apocalyptic number.

205412044374 is an abundant number, since it is smaller than the sum of its proper divisors (244235630466).

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

205412044374 is a wasteful number, since it uses less digits than its factorization.

205412044374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117647324 (or 117647321 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

Adding to 205412044374 its reverse (473440214502), we get a palindrome (678852258876).

The spelling of 205412044374 in words is "two hundred five billion, four hundred twelve million, forty-four thousand, three hundred seventy-four".