40042400060 has 96 divisors (see below), whose sum is σ = 95965128000. Its totient is φ = 13912473600.

The previous prime is 40042400051. The next prime is 40042400113. The reversal of 40042400060 is 6000424004.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708860 + ... + 763260.

It is an arithmetic number, because the mean of its divisors is an integer number (999636750).

Almost surely, 2^40042400060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40042400060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47982564000).

40042400060 is an abundant number, since it is smaller than the sum of its proper divisors (55922727940).

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

40042400060 is a wasteful number, since it uses less digits than its factorization.

40042400060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54591 (or 54589 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40042400060 its reverse (6000424004), we get a palindrome (46042824064).

The spelling of 40042400060 in words is "forty billion, forty-two million, four hundred thousand, sixty".