1434400401 has 32 divisors (see below), whose sum is σ = 2213664768. Its totient is φ = 809233920.

The previous prime is 1434400369. The next prime is 1434400403. The reversal of 1434400401 is 1040044341.

It is not a de Polignac number, because 1434400401 - 2⁵ = 1434400369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1434400403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1390756 + ... + 1391786.

It is an arithmetic number, because the mean of its divisors is an integer number (69177024).

Almost surely, 2^1434400401 is an apocalyptic number.

It is an amenable number.

1434400401 is a deficient number, since it is larger than the sum of its proper divisors (779264367).

1434400401 is a wasteful number, since it uses less digits than its factorization.

1434400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1434400401 is about 37873.4788605430. The cubic root of 1434400401 is about 1127.7776042554. Note that the first 3 decimals are identical.

Adding to 1434400401 its reverse (1040044341), we get a palindrome (2474444742).

The spelling of 1434400401 in words is "one billion, four hundred thirty-four million, four hundred thousand, four hundred one".