40507383 has 16 divisors (see below), whose sum is σ = 61913600. Its totient is φ = 23076576.

The previous prime is 40507381. The next prime is 40507399. The reversal of 40507383 is 38370504.

It is not a de Polignac number, because 40507383 - 2¹ = 40507381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40507383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40507381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4566 + ... + 10092.

It is an arithmetic number, because the mean of its divisors is an integer number (3869600).

Almost surely, 2^40507383 is an apocalyptic number.

40507383 is a deficient number, since it is larger than the sum of its proper divisors (21406217).

40507383 is a wasteful number, since it uses less digits than its factorization.

40507383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40507383 is about 6364.5410675083. The cubic root of 40507383 is about 343.4351392148.

Adding to 40507383 its reverse (38370504), we get a palindrome (78877887).

The spelling of 40507383 in words is "forty million, five hundred seven thousand, three hundred eighty-three".