40031041242 has 16 divisors (see below), whose sum is σ = 83543042880. Its totient is φ = 12763520352.

The previous prime is 40031041201. The next prime is 40031041273. The reversal of 40031041242 is 24214013004.

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, 145039867 + ... + 145040142.

It is an arithmetic number, because the mean of its divisors is an integer number (5221440180).

Almost surely, 2^40031041242 is an apocalyptic number.

40031041242 is an abundant number, since it is smaller than the sum of its proper divisors (43512001638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40031041242 is a wasteful number, since it uses less digits than its factorization.

40031041242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290080037.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40031041242 its reverse (24214013004), we get a palindrome (64245054246).

The spelling of 40031041242 in words is "forty billion, thirty-one million, forty-one thousand, two hundred forty-two".