13320232400442 has 32 divisors (see below), whose sum is σ = 29093949227520. Its totient is φ = 4032041839920.

The previous prime is 13320232400359. The next prime is 13320232400459. The reversal of 13320232400442 is 24400423202331.

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, 109744408 + ... + 109865715.

It is an arithmetic number, because the mean of its divisors is an integer number (909185913360).

Almost surely, 2^{13320232400442} is an apocalyptic number.

13320232400442 is an abundant number, since it is smaller than the sum of its proper divisors (15773716827078).

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

13320232400442 is a wasteful number, since it uses less digits than its factorization.

13320232400442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219611058.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 13320232400442 its reverse (24400423202331), we get a palindrome (37720655602773).

The spelling of 13320232400442 in words is "thirteen trillion, three hundred twenty billion, two hundred thirty-two million, four hundred thousand, four hundred forty-two".