42233521440 has 96 divisors (see below), whose sum is σ = 145129755456. Its totient is φ = 10238428160.

The previous prime is 42233521417. The next prime is 42233521441. The reversal of 42233521440 is 4412533224.

It is a tau number, because it is divible by the number of its divisors (96).

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 = 42233521398 and 42233521407.

It is not an unprimeable number, because it can be changed into a prime (42233521441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3994107 + ... + 4004666.

It is an arithmetic number, because the mean of its divisors is an integer number (1511768286).

Almost surely, 2^42233521440 is an apocalyptic number.

42233521440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42233521440 is an abundant number, since it is smaller than the sum of its proper divisors (102896234016).

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

42233521440 is a wasteful number, since it uses less digits than its factorization.

42233521440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998802 (or 7998794 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 42233521440 in words is "forty-two billion, two hundred thirty-three million, five hundred twenty-one thousand, four hundred forty".