40435340 has 24 divisors (see below), whose sum is σ = 92634192. Its totient is φ = 14703680.

The previous prime is 40435337. The next prime is 40435349. The reversal of 40435340 is 4353404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40435349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91679 + ... + 92118.

It is an arithmetic number, because the mean of its divisors is an integer number (3859758).

Almost surely, 2^40435340 is an apocalyptic number.

It is an amenable number.

40435340 is an abundant number, since it is smaller than the sum of its proper divisors (52198852).

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

40435340 is a wasteful number, since it uses less digits than its factorization.

40435340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183817 (or 183815 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40435340 is about 6358.8788319955. The cubic root of 40435340 is about 343.2314168439.

Adding to 40435340 its reverse (4353404), we get a palindrome (44788744).

The spelling of 40435340 in words is "forty million, four hundred thirty-five thousand, three hundred forty".