285734340254 has 16 divisors (see below), whose sum is σ = 467606185200. Its totient is φ = 129867884160.

The previous prime is 285734340233. The next prime is 285734340289. The reversal of 285734340254 is 452043437582.

It is a super-2 number, since 2×285734340254² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 285734340199 and 285734340208.

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, 308219 + ... + 816374.

It is an arithmetic number, because the mean of its divisors is an integer number (29225386575).

Almost surely, 2^285734340254 is an apocalyptic number.

285734340254 is a deficient number, since it is larger than the sum of its proper divisors (181871844946).

285734340254 is a wasteful number, since it uses less digits than its factorization.

285734340254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136155.

The product of its (nonzero) digits is 3225600, while the sum is 47.

The spelling of 285734340254 in words is "two hundred eighty-five billion, seven hundred thirty-four million, three hundred forty thousand, two hundred fifty-four".