240521064 has 64 divisors (see below), whose sum is σ = 709386240. Its totient is φ = 66502080.

The previous prime is 240521027. The next prime is 240521069. The reversal of 240521064 is 460125042.

240521064 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 (24).

It is not an unprimeable number, because it can be changed into a prime (240521069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17884 + ... + 28299.

It is an arithmetic number, because the mean of its divisors is an integer number (11084160).

Almost surely, 2^240521064 is an apocalyptic number.

240521064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

240521064 is an abundant number, since it is smaller than the sum of its proper divisors (468865176).

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

240521064 is a wasteful number, since it uses less digits than its factorization.

240521064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46230 (or 46226 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 240521064 is about 15508.7415350182. The cubic root of 240521064 is about 621.8959169383.

The spelling of 240521064 in words is "two hundred forty million, five hundred twenty-one thousand, sixty-four".