40342134 has 16 divisors (see below), whose sum is σ = 92210688. Its totient is φ = 11526312.

The previous prime is 40342123. The next prime is 40342151. The reversal of 40342134 is 43124304.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 40342134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480222 + ... + 480305.

It is an arithmetic number, because the mean of its divisors is an integer number (5763168).

Almost surely, 2^40342134 is an apocalyptic number.

40342134 is an abundant number, since it is smaller than the sum of its proper divisors (51868554).

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

40342134 is a wasteful number, since it uses less digits than its factorization.

40342134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960539.

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

The square root of 40342134 is about 6351.5457961035. The cubic root of 40342134 is about 342.9674906219.

Adding to 40342134 its reverse (43124304), we get a palindrome (83466438).

The spelling of 40342134 in words is "forty million, three hundred forty-two thousand, one hundred thirty-four".