42342423040 has 40 divisors (see below), whose sum is σ = 101522581380. Its totient is φ = 16936968192.

The previous prime is 42342423031. The next prime is 42342423061. The reversal of 42342423040 is 4032424324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35639398656 + 6703024384 = 188784^2 + 81872^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8267445 + ... + 8272564.

Almost surely, 2^42342423040 is an apocalyptic number.

42342423040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42342423040 is an abundant number, since it is smaller than the sum of its proper divisors (59180158340).

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

42342423040 is an equidigital number, since it uses as much as digits as its factorization.

42342423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16540032 (or 16540016 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42342423040 its reverse (4032424324), we get a palindrome (46374847364).

The spelling of 42342423040 in words is "forty-two billion, three hundred forty-two million, four hundred twenty-three thousand, forty".