40134430 has 32 divisors (see below), whose sum is σ = 84254400. Its totient is φ = 13759200.

The previous prime is 40134421. The next prime is 40134431. The reversal of 40134430 is 3443104.

40134430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40134430² = 3221544942849800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40134398 and 40134407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134431) 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 15 ways as a sum of consecutive naturals, for example, 2421 + ... + 9280.

It is an arithmetic number, because the mean of its divisors is an integer number (2632950).

Almost surely, 2^40134430 is an apocalyptic number.

40134430 is an abundant number, since it is smaller than the sum of its proper divisors (44119970).

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

40134430 is a wasteful number, since it uses less digits than its factorization.

40134430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11729 (or 11715 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40134430 is about 6335.1740307587. The cubic root of 40134430 is about 342.3778810554.

Adding to 40134430 its reverse (3443104), we get a palindrome (43577534).

The spelling of 40134430 in words is "forty million, one hundred thirty-four thousand, four hundred thirty".