420233044 has 48 divisors (see below), whose sum is σ = 923126400. Its totient is φ = 162610560.

The previous prime is 420233029. The next prime is 420233083. The reversal of 420233044 is 440332024.

It is a super-2 number, since 2×420233044² = 353191622539011872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41314 + ... + 50470.

It is an arithmetic number, because the mean of its divisors is an integer number (19231800).

Almost surely, 2^420233044 is an apocalyptic number.

420233044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420233044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461563200).

420233044 is an abundant number, since it is smaller than the sum of its proper divisors (502893356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420233044 is a wasteful number, since it uses less digits than its factorization.

420233044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328 (or 9326 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 420233044 is about 20499.5864348528. The cubic root of 420233044 is about 749.0257239667.

Adding to 420233044 its reverse (440332024), we get a palindrome (860565068).

The spelling of 420233044 in words is "four hundred twenty million, two hundred thirty-three thousand, forty-four".