40739508 has 18 divisors (see below), whose sum is σ = 102980514. Its totient is φ = 13579824.

The previous prime is 40739507. The next prime is 40739539. The reversal of 40739508 is 80593704.

40739508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 26811684 + 13927824 = 5178^2 + 3732^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1131653 = 40739508 / (4 + 0 + 7 + 3 + 9 + 5 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40739507) 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 5 ways as a sum of consecutive naturals, for example, 565791 + ... + 565862.

Almost surely, 2^40739508 is an apocalyptic number.

It is an amenable number.

40739508 is an abundant number, since it is smaller than the sum of its proper divisors (62241006).

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

40739508 is a wasteful number, since it uses less digits than its factorization.

40739508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131663 (or 1131658 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 40739508 is about 6382.7508176334. The cubic root of 40739508 is about 344.0899012372.

The spelling of 40739508 in words is "forty million, seven hundred thirty-nine thousand, five hundred eight".