40040342050 has 48 divisors (see below), whose sum is σ = 78306316200. Its totient is φ = 15210316800.

The previous prime is 40040342033. The next prime is 40040342057. The reversal of 40040342050 is 5024304004.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 3448860529 + 36591481521 = 58727^2 + 191289^2 .

It is not an unprimeable number, because it can be changed into a prime (40040342057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137895 + ... + 314794.

Almost surely, 2^40040342050 is an apocalyptic number.

40040342050 is a deficient number, since it is larger than the sum of its proper divisors (38265974150).

40040342050 is a wasteful number, since it uses less digits than its factorization.

40040342050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452791 (or 452786 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 40040342050 its reverse (5024304004), we get a palindrome (45064646054).

The spelling of 40040342050 in words is "forty billion, forty million, three hundred forty-two thousand, fifty".