240490536 has 128 divisors (see below), whose sum is σ = 716083200. Its totient is φ = 66343680.

The previous prime is 240490531. The next prime is 240490541. The reversal of 240490536 is 635094042.

It is an interprime number because it is at equal distance from previous prime (240490531) and next prime (240490541).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 240490497 and 240490506.

It is not an unprimeable number, because it can be changed into a prime (240490531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270685 + ... + 271571.

It is an arithmetic number, because the mean of its divisors is an integer number (5594400).

Almost surely, 2^240490536 is an apocalyptic number.

240490536 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 240490536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358041600).

240490536 is an abundant number, since it is smaller than the sum of its proper divisors (475592664).

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

240490536 is a wasteful number, since it uses less digits than its factorization.

240490536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 240490536 is about 15507.7572846624. The cubic root of 240490536 is about 621.8696045625.

The spelling of 240490536 in words is "two hundred forty million, four hundred ninety thousand, five hundred thirty-six".