40043011042 has 8 divisors (see below), whose sum is σ = 60065381376. Its totient is φ = 20021217252.

The previous prime is 40043011037. The next prime is 40043011049. The reversal of 40043011042 is 24011034004.

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

It is not an unprimeable number, because it can be changed into a prime (40043011049) 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, 147583 + ... + 319165.

It is an arithmetic number, because the mean of its divisors is an integer number (7508172672).

Almost surely, 2^40043011042 is an apocalyptic number.

40043011042 is a deficient number, since it is larger than the sum of its proper divisors (20022370334).

40043011042 is a wasteful number, since it uses less digits than its factorization.

40043011042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288272.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40043011042 its reverse (24011034004), we get a palindrome (64054045046).

The spelling of 40043011042 in words is "forty billion, forty-three million, eleven thousand, forty-two".