40369485 has 32 divisors (see below), whose sum is σ = 72592128. Its totient is φ = 19008000.

The previous prime is 40369477. The next prime is 40369489. The reversal of 40369485 is 58496304.

It is not a de Polignac number, because 40369485 - 2³ = 40369477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40369489) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 16 + ... + 8985.

It is an arithmetic number, because the mean of its divisors is an integer number (2268504).

Almost surely, 2^40369485 is an apocalyptic number.

It is an amenable number.

40369485 is a deficient number, since it is larger than the sum of its proper divisors (32222643).

40369485 is a wasteful number, since it uses less digits than its factorization.

40369485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 40369485 is about 6353.6985292033. The cubic root of 40369485 is about 343.0449810253.

The spelling of 40369485 in words is "forty million, three hundred sixty-nine thousand, four hundred eighty-five".