42626621730 has 192 divisors, whose sum is σ = 129201537024. Its totient is φ = 8810102400.

The previous prime is 42626621707. The next prime is 42626621749. The reversal of 42626621730 is 3712662624.

42626621730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42626621730² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4848919 + ... + 4857701.

It is an arithmetic number, because the mean of its divisors is an integer number (672924672).

Almost surely, 2^42626621730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42626621730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64600768512).

42626621730 is an abundant number, since it is smaller than the sum of its proper divisors (86574915294).

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

42626621730 is a wasteful number, since it uses less digits than its factorization.

42626621730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013 (or 9002 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 42626621730 in words is "forty-two billion, six hundred twenty-six million, six hundred twenty-one thousand, seven hundred thirty".