205601408342 has 8 divisors (see below), whose sum is σ = 336438668232. Its totient is φ = 93455185600.

The previous prime is 205601408339. The next prime is 205601408393. The reversal of 205601408342 is 243804106502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×205601408342² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 4672759259 + ... + 4672759302.

It is an arithmetic number, because the mean of its divisors is an integer number (42054833529).

Almost surely, 2^205601408342 is an apocalyptic number.

205601408342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

205601408342 is a deficient number, since it is larger than the sum of its proper divisors (130837259890).

205601408342 is a wasteful number, since it uses less digits than its factorization.

205601408342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345518574.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 205601408342 in words is "two hundred five billion, six hundred one million, four hundred eight thousand, three hundred forty-two".