240670440 has 160 divisors (see below), whose sum is σ = 823284000. Its totient is φ = 63040896.

The previous prime is 240670429. The next prime is 240670471. The reversal of 240670440 is 44076042.

240670440 is digitally balanced in base 2, 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 (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 190531 + ... + 191789.

It is an arithmetic number, because the mean of its divisors is an integer number (5145525).

Almost surely, 2^240670440 is an apocalyptic number.

240670440 is a gapful number since it is divisible by the number (20) 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 240670440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411642000).

240670440 is an abundant number, since it is smaller than the sum of its proper divisors (582613560).

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

240670440 is a wasteful number, since it uses less digits than its factorization.

240670440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 240670440 is about 15513.5566521672. The cubic root of 240670440 is about 622.0246334540.

The spelling of 240670440 in words is "two hundred forty million, six hundred seventy thousand, four hundred forty".