36320240 has 80 divisors (see below), whose sum is σ = 93074400. Its totient is φ = 13071360.

The previous prime is 36320239. The next prime is 36320257. The reversal of 36320240 is 4202363.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130982 + ... + 131258.

It is an arithmetic number, because the mean of its divisors is an integer number (1163430).

Almost surely, 2^36320240 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 36320240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46537200).

36320240 is an abundant number, since it is smaller than the sum of its proper divisors (56754160).

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

36320240 is a wasteful number, since it uses less digits than its factorization.

36320240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 36320240 is about 6026.6275809942. The cubic root of 36320240 is about 331.1689185672.

The spelling of 36320240 in words is "thirty-six million, three hundred twenty thousand, two hundred forty".