285539057375040 has 784 divisors, whose sum is σ = 1168122789163008. Its totient is φ = 65095520182272.

The previous prime is 285539057374973. The next prime is 285539057375041. The reversal of 285539057375040 is 40573750935582.

285539057375040 is a `hidden beast` number, since 2 + 8 + 5 + 5 + 3 + 9 + 0 + 573 + 7 + 50 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285539057375041) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 625195404 + ... + 625651956.

Almost surely, 2^{285539057375040} is an apocalyptic number.

285539057375040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285539057375040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584061394581504).

285539057375040 is an abundant number, since it is smaller than the sum of its proper divisors (882583731787968).

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

285539057375040 is an equidigital number, since it uses as much as digits as its factorization.

285539057375040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456978 (or 456953 counting only the distinct ones).

The product of its (nonzero) digits is 158760000, while the sum is 63.

The spelling of 285539057375040 in words is "two hundred eighty-five trillion, five hundred thirty-nine billion, fifty-seven million, three hundred seventy-five thousand, forty".