42041430040 has 16 divisors (see below), whose sum is σ = 94593217680. Its totient is φ = 16816572000.

The previous prime is 42041430029. The next prime is 42041430047. The reversal of 42041430040 is 4003414024.

It is a junction number, because it is equal to n+sod(n) for n = 42041429993 and 42041430020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42041430047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525517836 + ... + 525517915.

It is an arithmetic number, because the mean of its divisors is an integer number (5912076105).

Almost surely, 2^42041430040 is an apocalyptic number.

42041430040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42041430040 is an abundant number, since it is smaller than the sum of its proper divisors (52551787640).

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

42041430040 is a wasteful number, since it uses less digits than its factorization.

42041430040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051035762 (or 1051035758 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42041430040 its reverse (4003414024), we get a palindrome (46044844064).

The spelling of 42041430040 in words is "forty-two billion, forty-one million, four hundred thirty thousand, forty".