1402432424221 has 8 divisors (see below), whose sum is σ = 1440351930080. Its totient is φ = 1364513756688.

The previous prime is 1402432424191. The next prime is 1402432424257. The reversal of 1402432424221 is 1224242342041.

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

It is a cyclic number.

It is not a de Polignac number, because 1402432424221 - 2⁹ = 1402432423709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402402424221) 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, 4741150 + ... + 5028256.

It is an arithmetic number, because the mean of its divisors is an integer number (180043991260).

Almost surely, 2^{1402432424221} is an apocalyptic number.

It is an amenable number.

1402432424221 is a deficient number, since it is larger than the sum of its proper divisors (37919505859).

1402432424221 is a wasteful number, since it uses less digits than its factorization.

1402432424221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419163.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 1402432424221 its reverse (1224242342041), we get a palindrome (2626674766262).

The spelling of 1402432424221 in words is "one trillion, four hundred two billion, four hundred thirty-two million, four hundred twenty-four thousand, two hundred twenty-one".