40420441034 has 16 divisors (see below), whose sum is σ = 64765293768. Its totient is φ = 18853051392.

The previous prime is 40420441021. The next prime is 40420441037. The reversal of 40420441034 is 43014402404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25339864225 + 15080576809 = 159185^2 + 122803^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40420440994 and 40420441012.

It is not an unprimeable number, because it can be changed into a prime (40420441037) 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, 5256497 + ... + 5264180.

Almost surely, 2^40420441034 is an apocalyptic number.

40420441034 is a deficient number, since it is larger than the sum of its proper divisors (24344852734).

40420441034 is a wasteful number, since it uses less digits than its factorization.

40420441034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520809.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40420441034 its reverse (43014402404), we get a palindrome (83434843438).

The spelling of 40420441034 in words is "forty billion, four hundred twenty million, four hundred forty-one thousand, thirty-four".