42430435040 has 48 divisors (see below), whose sum is σ = 114562177632. Its totient is φ = 14547577344.

The previous prime is 42430435027. The next prime is 42430435049. The reversal of 42430435040 is 4053403424.

It is a junction number, because it is equal to n+sod(n) for n = 42430434994 and 42430435012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42430435049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18941039 + ... + 18943278.

It is an arithmetic number, because the mean of its divisors is an integer number (2386712034).

Almost surely, 2^42430435040 is an apocalyptic number.

42430435040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42430435040 is an abundant number, since it is smaller than the sum of its proper divisors (72131742592).

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

42430435040 is a wasteful number, since it uses less digits than its factorization.

42430435040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37884339 (or 37884331 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 42430435040 its reverse (4053403424), we get a palindrome (46483838464).

The spelling of 42430435040 in words is "forty-two billion, four hundred thirty million, four hundred thirty-five thousand, forty".