40231342 has 8 divisors (see below), whose sum is σ = 61631136. Its totient is φ = 19687632.

The previous prime is 40231339. The next prime is 40231343. The reversal of 40231342 is 24313204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213903 + ... + 214090.

It is an arithmetic number, because the mean of its divisors is an integer number (7703892).

Almost surely, 2^40231342 is an apocalyptic number.

40231342 is a deficient number, since it is larger than the sum of its proper divisors (21399794).

40231342 is a wasteful number, since it uses less digits than its factorization.

40231342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428042.

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

The square root of 40231342 is about 6342.8181433807. The cubic root of 40231342 is about 342.6532377682.

Adding to 40231342 its reverse (24313204), we get a palindrome (64544546).

The spelling of 40231342 in words is "forty million, two hundred thirty-one thousand, three hundred forty-two".