36378440 has 64 divisors (see below), whose sum is σ = 94210560. Its totient is φ = 12384000.

The previous prime is 36378431. The next prime is 36378443. The reversal of 36378440 is 4487363.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 36378440.

It is not an unprimeable number, because it can be changed into a prime (36378443) 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 15 ways as a sum of consecutive naturals, for example, 48065 + ... + 48815.

It is an arithmetic number, because the mean of its divisors is an integer number (1472040).

Almost surely, 2^36378440 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 36378440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47105280).

36378440 is an abundant number, since it is smaller than the sum of its proper divisors (57832120).

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

36378440 is a wasteful number, since it uses less digits than its factorization.

36378440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 36378440 is about 6031.4542193405. The cubic root of 36378440 is about 331.3457138861.

The spelling of 36378440 in words is "thirty-six million, three hundred seventy-eight thousand, four hundred forty".