40001342 has 4 divisors (see below), whose sum is σ = 60002016. Its totient is φ = 20000670.

The previous prime is 40001303. The next prime is 40001359. The reversal of 40001342 is 24310004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000334 + ... + 10000337.

It is an arithmetic number, because the mean of its divisors is an integer number (15000504).

Almost surely, 2^40001342 is an apocalyptic number.

40001342 is a deficient number, since it is larger than the sum of its proper divisors (20000674).

40001342 is a wasteful number, since it uses less digits than its factorization.

40001342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000673.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40001342 is about 6324.6614138624. The cubic root of 40001342 is about 341.9990139388. Note that the first 3 decimals are identical.

Adding to 40001342 its reverse (24310004), we get a palindrome (64311346).

The spelling of 40001342 in words is "forty million, one thousand, three hundred forty-two".