1400434043 has 8 divisors (see below), whose sum is σ = 1437427200. Its totient is φ = 1363740840.

The previous prime is 1400434039. The next prime is 1400434073. The reversal of 1400434043 is 3404340041.

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

It is a cyclic number.

It is not a de Polignac number, because 1400434043 - 2² = 1400434039 is a prime.

It is a super-2 number, since 2×1400434043² = 3922431017586651698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400434073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65513 + ... + 84218.

It is an arithmetic number, because the mean of its divisors is an integer number (179678400).

Almost surely, 2^1400434043 is an apocalyptic number.

1400434043 is a deficient number, since it is larger than the sum of its proper divisors (36993157).

1400434043 is a wasteful number, since it uses less digits than its factorization.

1400434043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149977.

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

The square root of 1400434043 is about 37422.3735618146. The cubic root of 1400434043 is about 1118.8045394466.

Adding to 1400434043 its reverse (3404340041), we get a palindrome (4804774084).

The spelling of 1400434043 in words is "one billion, four hundred million, four hundred thirty-four thousand, forty-three".