5401442 has 8 divisors (see below), whose sum is σ = 8255196.
Its totient is φ = 2649712.
The previous prime is 5401439. The next prime is 5401447. The reversal of 5401442 is 2441045.
Adding to 5401442 its reverse (2441045), we get a palindrome (7842487).
It can be written as a sum of positive squares in 2 ways, for example, as 4923961 + 477481 = 2219^2 + 691^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (5401447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25373 + ... + 25584.
Almost surely, 25401442 is an apocalyptic number.
5401442 is a deficient number, since it is larger than the sum of its proper divisors (2853754).
5401442 is a wasteful number, since it uses less digits than its factorization.
5401442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51012.
The product of its (nonzero) digits is 640, while the sum is 20.
The square root of 5401442 is about 2324.1002560131.
The cubic root of 5401442 is about 175.4566793236.
The spelling of 5401442 in words is "five million, four hundred one thousand, four hundred forty-two".