42431143040 has 128 divisors (see below), whose sum is σ = 119170941120. Its totient is φ = 14242590720.

The previous prime is 42431143037. The next prime is 42431143063. The reversal of 42431143040 is 4034113424.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140294 + ... + 323333.

Almost surely, 2^42431143040 is an apocalyptic number.

42431143040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42431143040 is an abundant number, since it is smaller than the sum of its proper divisors (76739798080).

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

42431143040 is a wasteful number, since it uses less digits than its factorization.

42431143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463670 (or 463658 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42431143040 its reverse (4034113424), we get a palindrome (46465256464).

The spelling of 42431143040 in words is "forty-two billion, four hundred thirty-one million, one hundred forty-three thousand, forty".