240421896 has 192 divisors, whose sum is σ = 805896000. Its totient is φ = 63659520.

The previous prime is 240421891. The next prime is 240421927. The reversal of 240421896 is 698124042.

240421896 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 240421896.

It is not an unprimeable number, because it can be changed into a prime (240421891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195010 + ... + 196238.

It is an arithmetic number, because the mean of its divisors is an integer number (4197375).

Almost surely, 2^240421896 is an apocalyptic number.

240421896 is a gapful number since it is divisible by the number (26) 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 240421896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402948000).

240421896 is an abundant number, since it is smaller than the sum of its proper divisors (565474104).

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

240421896 is a wasteful number, since it uses less digits than its factorization.

240421896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 240421896 is about 15505.5440407617. The cubic root of 240421896 is about 621.8104349558.

The spelling of 240421896 in words is "two hundred forty million, four hundred twenty-one thousand, eight hundred ninety-six".