42400452213321 has 8 divisors (see below), whose sum is σ = 56534545248000. Its totient is φ = 28266663660432.

The previous prime is 42400452213307. The next prime is 42400452213323. The reversal of 42400452213321 is 12331225400424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42400452213321 - 2¹⁰ = 42400452212297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42400452213323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75795321 + ... + 76352678.

It is an arithmetic number, because the mean of its divisors is an integer number (7066818156000).

Almost surely, 2^{42400452213321} is an apocalyptic number.

It is an amenable number.

42400452213321 is a deficient number, since it is larger than the sum of its proper divisors (14134093034679).

42400452213321 is a wasteful number, since it uses less digits than its factorization.

42400452213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152240895.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 42400452213321 its reverse (12331225400424), we get a palindrome (54731677613745).

The spelling of 42400452213321 in words is "forty-two trillion, four hundred billion, four hundred fifty-two million, two hundred thirteen thousand, three hundred twenty-one".