40578380 has 24 divisors (see below), whose sum is σ = 87964800. Its totient is φ = 15707520.

The previous prime is 40578353. The next prime is 40578389. The reversal of 40578380 is 8387504.

40578380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40578380.

It is not an unprimeable number, because it can be changed into a prime (40578389) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32105 + ... + 33344.

It is an arithmetic number, because the mean of its divisors is an integer number (3665200).

Almost surely, 2^40578380 is an apocalyptic number.

It is an amenable number.

40578380 is an abundant number, since it is smaller than the sum of its proper divisors (47386420).

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

40578380 is a wasteful number, since it uses less digits than its factorization.

40578380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65489 (or 65487 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 40578380 is about 6370.1161684855. The cubic root of 40578380 is about 343.6356675416.

The spelling of 40578380 in words is "forty million, five hundred seventy-eight thousand, three hundred eighty".