40253342 has 4 divisors (see below), whose sum is σ = 60380016. Its totient is φ = 20126670.

The previous prime is 40253303. The next prime is 40253347. The reversal of 40253342 is 24335204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40253347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10063334 + ... + 10063337.

It is an arithmetic number, because the mean of its divisors is an integer number (15095004).

Almost surely, 2^40253342 is an apocalyptic number.

40253342 is a deficient number, since it is larger than the sum of its proper divisors (20126674).

40253342 is a wasteful number, since it uses less digits than its factorization.

40253342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20126673.

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

The square root of 40253342 is about 6344.5521512554. The cubic root of 40253342 is about 342.7156849150.

Adding to 40253342 its reverse (24335204), we get a palindrome (64588546).

The spelling of 40253342 in words is "forty million, two hundred fifty-three thousand, three hundred forty-two".