421353044 has 96 divisors (see below), whose sum is σ = 921338880. Its totient is φ = 164602368.

The previous prime is 421353011. The next prime is 421353059. The reversal of 421353044 is 440353124.

421353044 = T₁₅₉ + T₁₆₀ + ... + T₁₃₆₂.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2584907 + ... + 2585069.

It is an arithmetic number, because the mean of its divisors is an integer number (9597280).

Almost surely, 2^421353044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421353044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460669440).

421353044 is an abundant number, since it is smaller than the sum of its proper divisors (499985836).

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

421353044 is a wasteful number, since it uses less digits than its factorization.

421353044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 421353044 is about 20526.8858816918. The cubic root of 421353044 is about 749.6905650917.

The spelling of 421353044 in words is "four hundred twenty-one million, three hundred fifty-three thousand, forty-four".