285395157950 has 48 divisors (see below), whose sum is σ = 607408114464. Its totient is φ = 97730486400.

The previous prime is 285395157917. The next prime is 285395157979. The reversal of 285395157950 is 59751593582.

It is a self number, because there is not a number n which added to its sum of digits gives 285395157950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209249 + ... + 783948.

It is an arithmetic number, because the mean of its divisors is an integer number (12654335718).

Almost surely, 2^285395157950 is an apocalyptic number.

285395157950 is an abundant number, since it is smaller than the sum of its proper divisors (322012956514).

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

285395157950 is a wasteful number, since it uses less digits than its factorization.

285395157950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994037 (or 994032 counting only the distinct ones).

The product of its (nonzero) digits is 17010000, while the sum is 59.

The spelling of 285395157950 in words is "two hundred eighty-five billion, three hundred ninety-five million, one hundred fifty-seven thousand, nine hundred fifty".