421111488 has 168 divisors, whose sum is σ = 1372861872. Its totient is φ = 113197056.

The previous prime is 421111477. The next prime is 421111489. The reversal of 421111488 is 884111124.

It is a tau number, because it is divible by the number of its divisors (168).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (421111489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158620 + ... + 161252.

Almost surely, 2^421111488 is an apocalyptic number.

421111488 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 421111488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686430936).

421111488 is an abundant number, since it is smaller than the sum of its proper divisors (951750384).

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

421111488 is a wasteful number, since it uses less digits than its factorization.

421111488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679 (or 2662 counting only the distinct ones).

The product of its digits is 2048, while the sum is 30.

The square root of 421111488 is about 20521.0011451683. The cubic root of 421111488 is about 749.5472752198.

The spelling of 421111488 in words is "four hundred twenty-one million, one hundred eleven thousand, four hundred eighty-eight".