442313124240 has 80 divisors (see below), whose sum is σ = 1476645363648. Its totient is φ = 108877075968.

The previous prime is 442313124229. The next prime is 442313124251. The reversal of 442313124240 is 42421313244.

It is an interprime number because it is at equal distance from previous prime (442313124229) and next prime (442313124251).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 442313124198 and 442313124207.

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, 70880394 + ... + 70886633.

Almost surely, 2^442313124240 is an apocalyptic number.

442313124240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442313124240 is an abundant number, since it is smaller than the sum of its proper divisors (1034332239408).

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

442313124240 is a wasteful number, since it uses less digits than its factorization.

442313124240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141767056 (or 141767050 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 442313124240 its reverse (42421313244), we get a palindrome (484734437484).

The spelling of 442313124240 in words is "four hundred forty-two billion, three hundred thirteen million, one hundred twenty-four thousand, two hundred forty".