421145088 has 320 divisors, whose sum is σ = 1451907072. Its totient is φ = 105431040.

The previous prime is 421145083. The next prime is 421145113. The reversal of 421145088 is 880541124.

It is not an unprimeable number, because it can be changed into a prime (421145083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3214783 + ... + 3214913.

Almost surely, 2^421145088 is an apocalyptic number.

421145088 is a gapful number since it is divisible by the number (48) 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 421145088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725953536).

421145088 is an abundant number, since it is smaller than the sum of its proper divisors (1030761984).

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

421145088 is a wasteful number, since it uses less digits than its factorization.

421145088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 421145088 is about 20521.8198023470. The cubic root of 421145088 is about 749.5672098605.

The spelling of 421145088 in words is "four hundred twenty-one million, one hundred forty-five thousand, eighty-eight".