420654044 has 6 divisors (see below), whose sum is σ = 736144584. Its totient is φ = 210327020.

The previous prime is 420654037. The next prime is 420654049. The reversal of 420654044 is 440456024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 420653998 and 420654016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420654049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52581752 + ... + 52581759.

It is an arithmetic number, because the mean of its divisors is an integer number (122690764).

Almost surely, 2^420654044 is an apocalyptic number.

It is an amenable number.

420654044 is a deficient number, since it is larger than the sum of its proper divisors (315490540).

420654044 is a wasteful number, since it uses less digits than its factorization.

420654044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105163515 (or 105163513 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 420654044 is about 20509.8523641688. The cubic root of 420654044 is about 749.2757714009.

The spelling of 420654044 in words is "four hundred twenty million, six hundred fifty-four thousand, forty-four".