42620421250 has 40 divisors (see below), whose sum is σ = 87150265488. Its totient is φ = 15498330000.

The previous prime is 42620421247. The next prime is 42620421253. The reversal of 42620421250 is 5212402624.

It is an interprime number because it is at equal distance from previous prime (42620421247) and next prime (42620421253).

It is not an unprimeable number, because it can be changed into a prime (42620421253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1536084 + ... + 1563583.

Almost surely, 2^42620421250 is an apocalyptic number.

42620421250 is an abundant number, since it is smaller than the sum of its proper divisors (44529844238).

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

42620421250 is a wasteful number, since it uses less digits than its factorization.

42620421250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099700 (or 3099685 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 42620421250 its reverse (5212402624), we get a palindrome (47832823874).

The spelling of 42620421250 in words is "forty-two billion, six hundred twenty million, four hundred twenty-one thousand, two hundred fifty".