40234413 has 4 divisors (see below), whose sum is σ = 53645888. Its totient is φ = 26822940.

The previous prime is 40234399. The next prime is 40234421. The reversal of 40234413 is 31443204.

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 not a de Polignac number, because 40234413 - 2¹⁸ = 39972269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40234413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234433) 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, 6705733 + ... + 6705738.

It is an arithmetic number, because the mean of its divisors is an integer number (13411472).

Almost surely, 2^40234413 is an apocalyptic number.

It is an amenable number.

40234413 is a deficient number, since it is larger than the sum of its proper divisors (13411475).

40234413 is a wasteful number, since it uses less digits than its factorization.

40234413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13411474.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40234413 is about 6343.0602235829. The cubic root of 40234413 is about 342.6619561891.

Adding to 40234413 its reverse (31443204), we get a palindrome (71677617).

The spelling of 40234413 in words is "forty million, two hundred thirty-four thousand, four hundred thirteen".