1400400430043 has 4 divisors (see below), whose sum is σ = 1401346009128. Its totient is φ = 1399454850960.

The previous prime is 1400400430007. The next prime is 1400400430061. The reversal of 1400400430043 is 3400340040041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1400400430043 - 2²² = 1400396235739 is a prime.

It is a super-2 number, since 2×1400400430043² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400400430063) 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, 472787321 + ... + 472790282.

It is an arithmetic number, because the mean of its divisors is an integer number (350336502282).

Almost surely, 2^{1400400430043} is an apocalyptic number.

1400400430043 is a deficient number, since it is larger than the sum of its proper divisors (945579085).

1400400430043 is an equidigital number, since it uses as much as digits as its factorization.

1400400430043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945579084.

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

Adding to 1400400430043 its reverse (3400340040041), we get a palindrome (4800740470084).

The spelling of 1400400430043 in words is "one trillion, four hundred billion, four hundred million, four hundred thirty thousand, forty-three".