42623405040 has 160 divisors (see below), whose sum is σ = 143686785600. Its totient is φ = 10408476672.

The previous prime is 42623405039. The next prime is 42623405087. The reversal of 42623405040 is 4050432624.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42623404989 and 42623405007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9786 + ... + 292134.

It is an arithmetic number, because the mean of its divisors is an integer number (898042410).

Almost surely, 2^42623405040 is an apocalyptic number.

42623405040 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 42623405040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71843392800).

42623405040 is an abundant number, since it is smaller than the sum of its proper divisors (101063380560).

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

42623405040 is a wasteful number, since it uses less digits than its factorization.

42623405040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282419 (or 282413 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 42623405040 its reverse (4050432624), we get a palindrome (46673837664).

The spelling of 42623405040 in words is "forty-two billion, six hundred twenty-three million, four hundred five thousand, forty".