240213040 has 20 divisors (see below), whose sum is σ = 558495504. Its totient is φ = 96085184.

The previous prime is 240213037. The next prime is 240213041. The reversal of 240213040 is 40312042.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (240213041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501252 + ... + 1501411.

Almost surely, 2^240213040 is an apocalyptic number.

240213040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240213040 is an abundant number, since it is smaller than the sum of its proper divisors (318282464).

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

240213040 is a wasteful number, since it uses less digits than its factorization.

240213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002676 (or 3002670 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 240213040 is about 15498.8076960778. The cubic root of 240213040 is about 621.6303259245.

Adding to 240213040 its reverse (40312042), we get a palindrome (280525082).

The spelling of 240213040 in words is "two hundred forty million, two hundred thirteen thousand, forty".