42230845040 has 80 divisors (see below), whose sum is σ = 99822518688. Its totient is φ = 16611775488.

The previous prime is 42230845037. The next prime is 42230845043. The reversal of 42230845040 is 4054803224.

42230845040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42230845037) and next prime (42230845043).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 42230844988 and 42230845006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42230845043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3279254 + ... + 3292106.

Almost surely, 2^42230845040 is an apocalyptic number.

42230845040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42230845040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49911259344).

42230845040 is an abundant number, since it is smaller than the sum of its proper divisors (57591673648).

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

42230845040 is a wasteful number, since it uses less digits than its factorization.

42230845040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13546 (or 13540 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 42230845040 in words is "forty-two billion, two hundred thirty million, eight hundred forty-five thousand, forty".