885860247565440 has 3072 divisors, whose sum is σ = 3917321608089600. Its totient is φ = 190637759692800.

The previous prime is 885860247565399. The next prime is 885860247565493. The reversal of 885860247565440 is 44565742068588.

It is a happy number.

885860247565440 is a `hidden beast` number, since 8 + 8 + 5 + 8 + 6 + 0 + 2 + 4 + 75 + 6 + 544 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 78666209410 + ... + 78666220670.

It is an arithmetic number, because the mean of its divisors is an integer number (1275169794300).

Almost surely, 2^{885860247565440} is an apocalyptic number.

885860247565440 is a gapful number since it is divisible by the number (80) 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 885860247565440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1958660804044800).

885860247565440 is an abundant number, since it is smaller than the sum of its proper divisors (3031461360524160).

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

885860247565440 is a wasteful number, since it uses less digits than its factorization.

885860247565440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383 (or 11346 counting only the distinct ones).

The product of its (nonzero) digits is 2064384000, while the sum is 72.

The spelling of 885860247565440 in words is "eight hundred eighty-five trillion, eight hundred sixty billion, two hundred forty-seven million, five hundred sixty-five thousand, four hundred forty".