40122042504 has 16 divisors (see below), whose sum is σ = 100305106320. Its totient is φ = 13374014160.

The previous prime is 40122042473. The next prime is 40122042509. The reversal of 40122042504 is 40524022104.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1671751771 = 40122042504 / (4 + 0 + 1 + 2 + 2 + 0 + 4 + 2 + 5 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (40122042509) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 835875862 + ... + 835875909.

It is an arithmetic number, because the mean of its divisors is an integer number (6269069145).

Almost surely, 2^40122042504 is an apocalyptic number.

It is an amenable number.

40122042504 is an abundant number, since it is smaller than the sum of its proper divisors (60183063816).

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

40122042504 is a wasteful number, since it uses less digits than its factorization.

40122042504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671751780 (or 1671751776 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 40122042504 its reverse (40524022104), we get a palindrome (80646064608).

The spelling of 40122042504 in words is "forty billion, one hundred twenty-two million, forty-two thousand, five hundred four".