40403342 has 16 divisors (see below), whose sum is σ = 70677600. Its totient is φ = 17315424.

The previous prime is 40403317. The next prime is 40403369. The reversal of 40403342 is 24330404.

It is a happy number.

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, 28763 + ... + 30134.

It is an arithmetic number, because the mean of its divisors is an integer number (4417350).

Almost surely, 2^40403342 is an apocalyptic number.

40403342 is a deficient number, since it is larger than the sum of its proper divisors (30274258).

40403342 is an equidigital number, since it uses as much as digits as its factorization.

40403342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58920 (or 58906 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 40403342 is about 6356.3623244746. The cubic root of 40403342 is about 343.1408556569.

Adding to 40403342 its reverse (24330404), we get a palindrome (64733746).

The spelling of 40403342 in words is "forty million, four hundred three thousand, three hundred forty-two".