285731634748 has 192 divisors, whose sum is σ = 647184384000. Its totient is φ = 109865730240.

The previous prime is 285731634709. The next prime is 285731634803. The reversal of 285731634748 is 847436137582.

It is a junction number, because it is equal to n+sod(n) for n = 285731634692 and 285731634701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37977315 + ... + 37984837.

It is an arithmetic number, because the mean of its divisors is an integer number (3370752000).

Almost surely, 2^285731634748 is an apocalyptic number.

285731634748 is a gapful number since it is divisible by the number (28) 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 285731634748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323592192000).

285731634748 is an abundant number, since it is smaller than the sum of its proper divisors (361452749252).

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

285731634748 is a wasteful number, since it uses less digits than its factorization.

285731634748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645 (or 7629 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 58.

The spelling of 285731634748 in words is "two hundred eighty-five billion, seven hundred thirty-one million, six hundred thirty-four thousand, seven hundred forty-eight".