5400352421 has 16 divisors (see below), whose sum is σ = 5679797760. Its totient is φ = 5127702720.

The previous prime is 5400352411. The next prime is 5400352457. The reversal of 5400352421 is 1242530045.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5400352421 - 2¹⁸ = 5400090277 is a prime.

It is a super-2 number, since 2×5400352421² = 58327612542001122482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400352411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531731 + ... + 541791.

It is an arithmetic number, because the mean of its divisors is an integer number (354987360).

Almost surely, 2^5400352421 is an apocalyptic number.

It is an amenable number.

5400352421 is a deficient number, since it is larger than the sum of its proper divisors (279445339).

5400352421 is a wasteful number, since it uses less digits than its factorization.

5400352421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10396.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 5400352421 is about 73487.0901655522. The cubic root of 5400352421 is about 1754.4488082180.

Adding to 5400352421 its reverse (1242530045), we get a palindrome (6642882466).

The spelling of 5400352421 in words is "five billion, four hundred million, three hundred fifty-two thousand, four hundred twenty-one".