867295240812 has 480 divisors, whose sum is σ = 3050425534464. Its totient is φ = 207516556800.

The previous prime is 867295240783. The next prime is 867295240831. The reversal of 867295240812 is 218042592768.

867295240812 is a `hidden beast` number, since 86 + 7 + 29 + 524 + 0 + 8 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 175456813 + ... + 175461755.

Almost surely, 2^867295240812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867295240812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1525212767232).

867295240812 is an abundant number, since it is smaller than the sum of its proper divisors (2183130293652).

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

867295240812 is a wasteful number, since it uses less digits than its factorization.

867295240812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 867295240812 in words is "eight hundred sixty-seven billion, two hundred ninety-five million, two hundred forty thousand, eight hundred twelve".