40342508 has 6 divisors (see below), whose sum is σ = 70599396. Its totient is φ = 20171252.

The previous prime is 40342481. The next prime is 40342537. The reversal of 40342508 is 80524304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5042810 + ... + 5042817.

It is an arithmetic number, because the mean of its divisors is an integer number (11766566).

Almost surely, 2^40342508 is an apocalyptic number.

It is an amenable number.

40342508 is a deficient number, since it is larger than the sum of its proper divisors (30256888).

40342508 is a wasteful number, since it uses less digits than its factorization.

40342508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085631 (or 10085629 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40342508 is about 6351.5752376871. The cubic root of 40342508 is about 342.9685504687.

The spelling of 40342508 in words is "forty million, three hundred forty-two thousand, five hundred eight".