32442421240 has 64 divisors (see below), whose sum is σ = 78267772800. Its totient is φ = 12058994688.

The previous prime is 32442421211. The next prime is 32442421303. The reversal of 32442421240 is 4212424423.

It is a junction number, because it is equal to n+sod(n) for n = 32442421199 and 32442421208.

It is a congruent number.

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, 248239 + ... + 355678.

It is an arithmetic number, because the mean of its divisors is an integer number (1222933950).

Almost surely, 2^32442421240 is an apocalyptic number.

It is an amenable number.

32442421240 is an abundant number, since it is smaller than the sum of its proper divisors (45825351560).

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

32442421240 is a wasteful number, since it uses less digits than its factorization.

32442421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604024 (or 604020 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 32442421240 its reverse (4212424423), we get a palindrome (36654845663).

The spelling of 32442421240 in words is "thirty-two billion, four hundred forty-two million, four hundred twenty-one thousand, two hundred forty".