40035013 has 4 divisors (see below), whose sum is σ = 40409280. Its totient is φ = 39660748.

The previous prime is 40035007. The next prime is 40035049. The reversal of 40035013 is 31053004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40035013 - 2¹³ = 40026821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40035313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186973 + ... + 187186.

It is an arithmetic number, because the mean of its divisors is an integer number (10102320).

Almost surely, 2^40035013 is an apocalyptic number.

It is an amenable number.

40035013 is a deficient number, since it is larger than the sum of its proper divisors (374267).

40035013 is a wasteful number, since it uses less digits than its factorization.

40035013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374266.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 40035013 is about 6327.3227355652. The cubic root of 40035013 is about 342.0949458809.

Adding to 40035013 its reverse (31053004), we get a palindrome (71088017).

Subtracting from 40035013 its reverse (31053004), we obtain a square (8982009 = 2997²).

The spelling of 40035013 in words is "forty million, thirty-five thousand, thirteen".