420626043 has 24 divisors (see below), whose sum is σ = 623150528. Its totient is φ = 273257712.

The previous prime is 420626039. The next prime is 420626069. The reversal of 420626043 is 340626024.

It is not a de Polignac number, because 420626043 - 2² = 420626039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420625998 and 420626016.

It is not an unprimeable number, because it can be changed into a prime (420626033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210696 + ... + 212682.

Almost surely, 2^420626043 is an apocalyptic number.

420626043 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

420626043 is a deficient number, since it is larger than the sum of its proper divisors (202524485).

420626043 is a wasteful number, since it uses less digits than its factorization.

420626043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 420626043 is about 20509.1697296600. The cubic root of 420626043 is about 749.2591457543.

The spelling of 420626043 in words is "four hundred twenty million, six hundred twenty-six thousand, forty-three".