236164796840 has 128 divisors (see below), whose sum is σ = 611248101120. Its totient is φ = 80443238400.

The previous prime is 236164796779. The next prime is 236164796863. The reversal of 236164796840 is 48697461632.

236164796840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×236164796840² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36212780 + ... + 36219300.

It is an arithmetic number, because the mean of its divisors is an integer number (4775375790).

Almost surely, 2^236164796840 is an apocalyptic number.

236164796840 is a gapful number since it is divisible by the number (20) 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 236164796840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305624050560).

236164796840 is an abundant number, since it is smaller than the sum of its proper divisors (375083304280).

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

236164796840 is a wasteful number, since it uses less digits than its factorization.

236164796840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7363 (or 7359 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 236164796840 in words is "two hundred thirty-six billion, one hundred sixty-four million, seven hundred ninety-six thousand, eight hundred forty".