285661550942 has 8 divisors (see below), whose sum is σ = 428499500736. Its totient is φ = 142828384032.

The previous prime is 285661550849. The next prime is 285661550957. The reversal of 285661550942 is 249055166582.

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

It is a super-2 number, since 2×285661550942² (a number of 24 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, 1042478 + ... + 1287665.

It is an arithmetic number, because the mean of its divisors is an integer number (53562437592).

Almost surely, 2^285661550942 is an apocalyptic number.

285661550942 is a deficient number, since it is larger than the sum of its proper divisors (142837949794).

285661550942 is a wasteful number, since it uses less digits than its factorization.

285661550942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391442.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 285661550942 in words is "two hundred eighty-five billion, six hundred sixty-one million, five hundred fifty thousand, nine hundred forty-two".