36868043520 has 864 divisors, whose sum is σ = 161166620160. Its totient is φ = 7558594560.

The previous prime is 36868043507. The next prime is 36868043567. The reversal of 36868043520 is 2534086863.

It is a happy number.

36868043520 is a `hidden beast` number, since 3 + 6 + 8 + 6 + 80 + 43 + 520 = 666.

It is a super-2 number, since 2×36868043520² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78946327 + ... + 78946793.

It is an arithmetic number, because the mean of its divisors is an integer number (186535440).

Almost surely, 2^36868043520 is an apocalyptic number.

36868043520 is a gapful number since it is divisible by the number (30) 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 36868043520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80583310080).

36868043520 is an abundant number, since it is smaller than the sum of its proper divisors (124298576640).

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

36868043520 is a wasteful number, since it uses less digits than its factorization.

36868043520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 36868043520 in words is "thirty-six billion, eight hundred sixty-eight million, forty-three thousand, five hundred twenty".