36326640 has 120 divisors (see below), whose sum is σ = 131040720. Its totient is φ = 8300544.

The previous prime is 36326639. The next prime is 36326657. The reversal of 36326640 is 4662363.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 36326598 and 36326607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10216 + ... + 13304.

It is an arithmetic number, because the mean of its divisors is an integer number (1092006).

Almost surely, 2^36326640 is an apocalyptic number.

36326640 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 36326640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65520360).

36326640 is an abundant number, since it is smaller than the sum of its proper divisors (94714080).

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

36326640 is a wasteful number, since it uses less digits than its factorization.

36326640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 36326640 is about 6027.1585345003. The cubic root of 36326640 is about 331.1883692151.

The spelling of 36326640 in words is "thirty-six million, three hundred twenty-six thousand, six hundred forty".