860926051440 has 960 divisors, whose sum is σ = 3654846074880. Its totient is φ = 176760299520.

The previous prime is 860926051387. The next prime is 860926051463. The reversal of 860926051440 is 44150629068.

860926051440 is a `hidden beast` number, since 8 + 6 + 0 + 92 + 6 + 0 + 514 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1214281806 + ... + 1214282514.

It is an arithmetic number, because the mean of its divisors is an integer number (3807131328).

Almost surely, 2^860926051440 is an apocalyptic number.

860926051440 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 860926051440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1827423037440).

860926051440 is an abundant number, since it is smaller than the sum of its proper divisors (2793920023440).

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

860926051440 is a wasteful number, since it uses less digits than its factorization.

860926051440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 860926051440 in words is "eight hundred sixty billion, nine hundred twenty-six million, fifty-one thousand, four hundred forty".