40334013 has 12 divisors (see below), whose sum is σ = 61687548. Its totient is φ = 25307520.

The previous prime is 40334011. The next prime is 40334023. The reversal of 40334013 is 31043304.

It can be written as a sum of positive squares in 2 ways, for example, as 35784324 + 4549689 = 5982^2 + 2133^2 .

It is not a de Polignac number, because 40334013 - 2¹ = 40334011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40334011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131658 + ... + 131963.

It is an arithmetic number, because the mean of its divisors is an integer number (5140629).

Almost surely, 2^40334013 is an apocalyptic number.

It is an amenable number.

40334013 is a deficient number, since it is larger than the sum of its proper divisors (21353535).

40334013 is a wasteful number, since it uses less digits than its factorization.

40334013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263644 (or 263641 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40334013 is about 6350.9064707331. The cubic root of 40334013 is about 342.9444755949.

Adding to 40334013 its reverse (31043304), we get a palindrome (71377317).

The spelling of 40334013 in words is "forty million, three hundred thirty-four thousand, thirteen".