5402236421 has 8 divisors (see below), whose sum is σ = 5904532224. Its totient is φ = 4920442560.

The previous prime is 5402236409. The next prime is 5402236451. The reversal of 5402236421 is 1246322045.

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 5402236421 - 2¹⁴ = 5402220037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402236451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5124935 + ... + 5125988.

It is an arithmetic number, because the mean of its divisors is an integer number (738066528).

Almost surely, 2^5402236421 is an apocalyptic number.

It is an amenable number.

5402236421 is a deficient number, since it is larger than the sum of its proper divisors (502295803).

5402236421 is a wasteful number, since it uses less digits than its factorization.

5402236421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250971.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 5402236421 is about 73499.9076257923. The cubic root of 5402236421 is about 1754.6528070804.

Adding to 5402236421 its reverse (1246322045), we get a palindrome (6648558466).

The spelling of 5402236421 in words is "five billion, four hundred two million, two hundred thirty-six thousand, four hundred twenty-one".