240538620 has 48 divisors (see below), whose sum is σ = 769724928. Its totient is φ = 54980160.

The previous prime is 240538619. The next prime is 240538637. The reversal of 240538620 is 26835042.

It is a super-4 number, since 4×240538620⁴ (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285936 + ... + 286775.

It is an arithmetic number, because the mean of its divisors is an integer number (16035936).

Almost surely, 2^240538620 is an apocalyptic number.

240538620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240538620 is an abundant number, since it is smaller than the sum of its proper divisors (529186308).

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

240538620 is a wasteful number, since it uses less digits than its factorization.

240538620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572730 (or 572728 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 240538620 is about 15509.3075280620. The cubic root of 240538620 is about 621.9110476146.

The spelling of 240538620 in words is "two hundred forty million, five hundred thirty-eight thousand, six hundred twenty".