36402520 has 128 divisors (see below), whose sum is σ = 104509440. Its totient is φ = 11082240.

The previous prime is 36402517. The next prime is 36402533. The reversal of 36402520 is 2520463.

It is a happy number.

36402520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 36402491 and 36402500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163129 + ... + 163351.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 2^36402520 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 36402520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52254720).

36402520 is an abundant number, since it is smaller than the sum of its proper divisors (68106920).

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

36402520 is a wasteful number, since it uses less digits than its factorization.

36402520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 36402520 is about 6033.4500909513. The cubic root of 36402520 is about 331.4188070420.

Adding to 36402520 its reverse (2520463), we get a palindrome (38922983).

The spelling of 36402520 in words is "thirty-six million, four hundred two thousand, five hundred twenty".