42455031110420 has 12 divisors (see below), whose sum is σ = 89155565331924. Its totient is φ = 16982012444160.

The previous prime is 42455031110413. The next prime is 42455031110441. The reversal of 42455031110420 is 2401113055424.

It can be written as a sum of positive squares in 2 ways, for example, as 26704895911684 + 15750135198736 = 5167678^2 + 3968644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061375777741 + ... + 1061375777780.

It is an arithmetic number, because the mean of its divisors is an integer number (7429630444327).

Almost surely, 2^{42455031110420} is an apocalyptic number.

It is an amenable number.

42455031110420 is an abundant number, since it is smaller than the sum of its proper divisors (46700534221504).

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

42455031110420 is a wasteful number, since it uses less digits than its factorization.

42455031110420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122751555530 (or 2122751555528 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 42455031110420 its reverse (2401113055424), we get a palindrome (44856144165844).

The spelling of 42455031110420 in words is "forty-two trillion, four hundred fifty-five billion, thirty-one million, one hundred ten thousand, four hundred twenty".