42102306074420 has 48 divisors (see below), whose sum is σ = 89011463058000. Its totient is φ = 16727288678400.

The previous prime is 42102306074383. The next prime is 42102306074453. The reversal of 42102306074420 is 2447060320124.

It can be written as a sum of positive squares in 8 ways, for example, as 19081905104656 + 23020400969764 = 4368284^2 + 4797958^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86777066 + ... + 87260894.

It is an arithmetic number, because the mean of its divisors is an integer number (1854405480375).

Almost surely, 2^{42102306074420} is an apocalyptic number.

It is an amenable number.

42102306074420 is an abundant number, since it is smaller than the sum of its proper divisors (46909156983580).

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

42102306074420 is a wasteful number, since it uses less digits than its factorization.

42102306074420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513188 (or 513186 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

Adding to 42102306074420 its reverse (2447060320124), we get a palindrome (44549366394544).

The spelling of 42102306074420 in words is "forty-two trillion, one hundred two billion, three hundred six million, seventy-four thousand, four hundred twenty".