1400431414 has 8 divisors (see below), whose sum is σ = 2100808008. Its totient is φ = 700162080.

The previous prime is 1400431397. The next prime is 1400431421. The reversal of 1400431414 is 4141340041.

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

It is a super-2 number, since 2×1400431414² = 3922416290636078792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29389 + ... + 60535.

It is an arithmetic number, because the mean of its divisors is an integer number (262601001).

Almost surely, 2^1400431414 is an apocalyptic number.

1400431414 is a deficient number, since it is larger than the sum of its proper divisors (700376594).

1400431414 is a wasteful number, since it uses less digits than its factorization.

1400431414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53630.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1400431414 is about 37422.3384357525. The cubic root of 1400431414 is about 1118.8038393448.

Adding to 1400431414 its reverse (4141340041), we get a palindrome (5541771455).

The spelling of 1400431414 in words is "one billion, four hundred million, four hundred thirty-one thousand, four hundred fourteen".