1400443430 has 8 divisors (see below), whose sum is σ = 2520798192. Its totient is φ = 560177368.

The previous prime is 1400443427. The next prime is 1400443441. The reversal of 1400443430 is 343440041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1400443430² = 3922483601260329800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400443396 and 1400443405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70022162 + ... + 70022181.

It is an arithmetic number, because the mean of its divisors is an integer number (315099774).

Almost surely, 2^1400443430 is an apocalyptic number.

1400443430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400443430 is a deficient number, since it is larger than the sum of its proper divisors (1120354762).

1400443430 is a wasteful number, since it uses less digits than its factorization.

1400443430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140044350.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1400443430 is about 37422.4989812279. The cubic root of 1400443430 is about 1118.8070391941.

Adding to 1400443430 its reverse (343440041), we get a palindrome (1743883471).

The spelling of 1400443430 in words is "one billion, four hundred million, four hundred forty-three thousand, four hundred thirty".