5401420443 has 20 divisors (see below), whose sum is σ = 8070811320. Its totient is φ = 3600044352.

The previous prime is 5401420411. The next prime is 5401420471. The reversal of 5401420443 is 3440241045.

It is a happy number.

5401420443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5401420443 - 2⁵ = 5401420411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5401420403) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 527668 + ... + 537806.

It is an arithmetic number, because the mean of its divisors is an integer number (403540566).

Almost surely, 2^5401420443 is an apocalyptic number.

5401420443 is a deficient number, since it is larger than the sum of its proper divisors (2669390877).

5401420443 is a wasteful number, since it uses less digits than its factorization.

5401420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16728 (or 16719 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 5401420443 is about 73494.3565384445. The cubic root of 5401420443 is about 1754.5644590908.

Adding to 5401420443 its reverse (3440241045), we get a palindrome (8841661488).

The spelling of 5401420443 in words is "five billion, four hundred one million, four hundred twenty thousand, four hundred forty-three".