42320411440 has 20 divisors (see below), whose sum is σ = 98394956784. Its totient is φ = 16928164544.

The previous prime is 42320411429. The next prime is 42320411459. The reversal of 42320411440 is 4411402324.

It is a tau number, because it is divible by the number of its divisors (20).

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, 264502492 + ... + 264502651.

Almost surely, 2^42320411440 is an apocalyptic number.

42320411440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42320411440 is an abundant number, since it is smaller than the sum of its proper divisors (56074545344).

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

42320411440 is a wasteful number, since it uses less digits than its factorization.

42320411440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529005156 (or 529005150 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42320411440 its reverse (4411402324), we get a palindrome (46731813764).

The spelling of 42320411440 in words is "forty-two billion, three hundred twenty million, four hundred eleven thousand, four hundred forty".