40036788 has 96 divisors (see below), whose sum is σ = 115153920. Its totient is φ = 11927520.

The previous prime is 40036729. The next prime is 40036811. The reversal of 40036788 is 88763004.

40036788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 79345 + ... + 79847.

It is an arithmetic number, because the mean of its divisors is an integer number (1199520).

Almost surely, 2^40036788 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 40036788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57576960).

40036788 is an abundant number, since it is smaller than the sum of its proper divisors (75117132).

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

40036788 is a wasteful number, since it uses less digits than its factorization.

40036788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 40036788 is about 6327.4629987065. The cubic root of 40036788 is about 342.1000015352.

The spelling of 40036788 in words is "forty million, thirty-six thousand, seven hundred eighty-eight".