36780440 has 16 divisors (see below), whose sum is σ = 82756080. Its totient is φ = 14712160.

The previous prime is 36780433. The next prime is 36780449. The reversal of 36780440 is 4408763.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 36780397 and 36780406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36780449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 459716 + ... + 459795.

It is an arithmetic number, because the mean of its divisors is an integer number (5172255).

Almost surely, 2^36780440 is an apocalyptic number.

It is an amenable number.

36780440 is an abundant number, since it is smaller than the sum of its proper divisors (45975640).

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

36780440 is a wasteful number, since it uses less digits than its factorization.

36780440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919522 (or 919518 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 36780440 is about 6064.6879556990. The cubic root of 36780440 is about 332.5617576130.

The spelling of 36780440 in words is "thirty-six million, seven hundred eighty thousand, four hundred forty".