40310024242 has 4 divisors (see below), whose sum is σ = 60465036366. Its totient is φ = 20155012120.

The previous prime is 40310024239. The next prime is 40310024281. The reversal of 40310024242 is 24242001304.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 30968608441 + 9341415801 = 175979^2 + 96651^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10077506059 + ... + 10077506062.

Almost surely, 2^40310024242 is an apocalyptic number.

40310024242 is a deficient number, since it is larger than the sum of its proper divisors (20155012124).

40310024242 is a wasteful number, since it uses less digits than its factorization.

40310024242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20155012123.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40310024242 its reverse (24242001304), we get a palindrome (64552025546).

The spelling of 40310024242 in words is "forty billion, three hundred ten million, twenty-four thousand, two hundred forty-two".