40042422040 has 32 divisors (see below), whose sum is σ = 92292903360. Its totient is φ = 15626310400.

The previous prime is 40042422029. The next prime is 40042422059. The reversal of 40042422040 is 4022424004.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 12206416 + ... + 12209695.

It is an arithmetic number, because the mean of its divisors is an integer number (2884153230).

Almost surely, 2^40042422040 is an apocalyptic number.

40042422040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40042422040 is an abundant number, since it is smaller than the sum of its proper divisors (52250481320).

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

40042422040 is a wasteful number, since it uses less digits than its factorization.

40042422040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24416163 (or 24416159 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40042422040 its reverse (4022424004), we get a palindrome (44064846044).

The spelling of 40042422040 in words is "forty billion, forty-two million, four hundred twenty-two thousand, forty".