40501334042 has 16 divisors (see below), whose sum is σ = 66659672520. Its totient is φ = 18340226112.

The previous prime is 40501334023. The next prime is 40501334053. The reversal of 40501334042 is 24043310504.

It can be written as a sum of positive squares in 4 ways, for example, as 19421488321 + 21079845721 = 139361^2 + 145189^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14694317 + ... + 14697072.

Almost surely, 2^40501334042 is an apocalyptic number.

40501334042 is a deficient number, since it is larger than the sum of its proper divisors (26158338478).

40501334042 is a wasteful number, since it uses less digits than its factorization.

40501334042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29391457.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 40501334042 its reverse (24043310504), we get a palindrome (64544644546).

The spelling of 40501334042 in words is "forty billion, five hundred one million, three hundred thirty-four thousand, forty-two".