601622440040 has 64 divisors (see below), whose sum is σ = 1357214918400. Its totient is φ = 240015702528.

The previous prime is 601622440021. The next prime is 601622440093. The reversal of 601622440040 is 40044226106.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 601622439985 and 601622440012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78261077 + ... + 78268763.

It is an arithmetic number, because the mean of its divisors is an integer number (21206483100).

Almost surely, 2^601622440040 is an apocalyptic number.

It is an amenable number.

601622440040 is an abundant number, since it is smaller than the sum of its proper divisors (755592478360).

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

601622440040 is a wasteful number, since it uses less digits than its factorization.

601622440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12594 (or 12590 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 601622440040 its reverse (40044226106), we get a palindrome (641666666146).

The spelling of 601622440040 in words is "six hundred one billion, six hundred twenty-two million, four hundred forty thousand, forty".