421113044 has 48 divisors (see below), whose sum is σ = 825189120. Its totient is φ = 186399360.

The previous prime is 421113029. The next prime is 421113053. The reversal of 421113044 is 440311124.

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, 555914 + ... + 556670.

It is an arithmetic number, because the mean of its divisors is an integer number (17191440).

Almost surely, 2^421113044 is an apocalyptic number.

421113044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421113044 is a deficient number, since it is larger than the sum of its proper divisors (404076076).

421113044 is a wasteful number, since it uses less digits than its factorization.

421113044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 421113044 is about 20521.0390575136. The cubic root of 421113044 is about 749.5481984069.

Adding to 421113044 its reverse (440311124), we get a palindrome (861424168).

The spelling of 421113044 in words is "four hundred twenty-one million, one hundred thirteen thousand, forty-four".