42402402023140 has 24 divisors (see below), whose sum is σ = 89833053494520. Its totient is φ = 16810863810048.

The previous prime is 42402402023119. The next prime is 42402402023159. The reversal of 42402402023140 is 4132020420424.

It can be written as a sum of positive squares in 4 ways, for example, as 35945884836 + 42366456138304 = 189594^2 + 6508952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42402402023099 and 42402402023108.

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, 9381060135 + ... + 9381064654.

It is an arithmetic number, because the mean of its divisors is an integer number (3743043895605).

Almost surely, 2^{42402402023140} is an apocalyptic number.

It is an amenable number.

42402402023140 is an abundant number, since it is smaller than the sum of its proper divisors (47430651471380).

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

42402402023140 is a wasteful number, since it uses less digits than its factorization.

42402402023140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18762124911 (or 18762124909 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42402402023140 its reverse (4132020420424), we get a palindrome (46534422443564).

The spelling of 42402402023140 in words is "forty-two trillion, four hundred two billion, four hundred two million, twenty-three thousand, one hundred forty".