40369580 has 24 divisors (see below), whose sum is σ = 85149792. Its totient is φ = 16076672.

The previous prime is 40369573. The next prime is 40369591. The reversal of 40369580 is 8596304.

It is a self number, because there is not a number n which added to its sum of digits gives 40369580.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329 + ... + 8991.

It is an arithmetic number, because the mean of its divisors is an integer number (3547908).

Almost surely, 2^40369580 is an apocalyptic number.

It is an amenable number.

40369580 is an abundant number, since it is smaller than the sum of its proper divisors (44780212).

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

40369580 is a wasteful number, since it uses less digits than its factorization.

40369580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905 (or 8903 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 40369580 is about 6353.7060051595. The cubic root of 40369580 is about 343.0452501167.

The spelling of 40369580 in words is "forty million, three hundred sixty-nine thousand, five hundred eighty".