40024242442 has 16 divisors (see below), whose sum is σ = 63673638912. Its totient is φ = 18828223920.

The previous prime is 40024242409. The next prime is 40024242443. The reversal of 40024242442 is 24424242004.

It is a self number, because there is not a number n which added to its sum of digits gives 40024242442.

It is not an unprimeable number, because it can be changed into a prime (40024242443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7129098 + ... + 7134709.

It is an arithmetic number, because the mean of its divisors is an integer number (3979602432).

Almost surely, 2^40024242442 is an apocalyptic number.

40024242442 is a deficient number, since it is larger than the sum of its proper divisors (23649396470).

40024242442 is a wasteful number, since it uses less digits than its factorization.

40024242442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14263893.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40024242442 its reverse (24424242004), we get a palindrome (64448484446).

The spelling of 40024242442 in words is "forty billion, twenty-four million, two hundred forty-two thousand, four hundred forty-two".