1424140401 has 4 divisors (see below), whose sum is σ = 1898853872. Its totient is φ = 949426932.

The previous prime is 1424140391. The next prime is 1424140423. The reversal of 1424140401 is 1040414241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1040414241 = 3 ⋅346804747.

It is not a de Polignac number, because 1424140401 - 2¹³ = 1424132209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424140441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237356731 + ... + 237356736.

It is an arithmetic number, because the mean of its divisors is an integer number (474713468).

Almost surely, 2^1424140401 is an apocalyptic number.

It is an amenable number.

1424140401 is a deficient number, since it is larger than the sum of its proper divisors (474713471).

1424140401 is an equidigital number, since it uses as much as digits as its factorization.

1424140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474713470.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1424140401 is about 37737.7847919032. The cubic root of 1424140401 is about 1125.0822395189.

Adding to 1424140401 its reverse (1040414241), we get a palindrome (2464554642).

The spelling of 1424140401 in words is "one billion, four hundred twenty-four million, one hundred forty thousand, four hundred one".