1043400626 has 4 divisors (see below), whose sum is σ = 1565100942. Its totient is φ = 521700312.

The previous prime is 1043400587. The next prime is 1043400641. The reversal of 1043400626 is 6260043401.

1043400626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 1010922025 + 32478601 = 31795^2 + 5699^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1043400595 and 1043400604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260850155 + ... + 260850158.

Almost surely, 2^1043400626 is an apocalyptic number.

1043400626 is a deficient number, since it is larger than the sum of its proper divisors (521700316).

1043400626 is an equidigital number, since it uses as much as digits as its factorization.

1043400626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521700315.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1043400626 is about 32301.7124313867. The cubic root of 1043400626 is about 1014.2624896374.

The spelling of 1043400626 in words is "one billion, forty-three million, four hundred thousand, six hundred twenty-six".