4240323540 has 96 divisors (see below), whose sum is σ = 13212581760. Its totient is φ = 1128999168.

The previous prime is 4240323491. The next prime is 4240323547. The reversal of 4240323540 is 453230424.

4240323540 is a `hidden beast` number, since 424 + 0 + 3 + 235 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240323547) 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, 363072 + ... + 374568.

It is an arithmetic number, because the mean of its divisors is an integer number (137631060).

Almost surely, 2^4240323540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4240323540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6606290880).

4240323540 is an abundant number, since it is smaller than the sum of its proper divisors (8972258220).

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

4240323540 is a wasteful number, since it uses less digits than its factorization.

4240323540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12198 (or 12190 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 4240323540 is about 65117.7667000336. The cubic root of 4240323540 is about 1618.5756341556.

Adding to 4240323540 its reverse (453230424), we get a palindrome (4693553964).

The spelling of 4240323540 in words is "four billion, two hundred forty million, three hundred twenty-three thousand, five hundred forty".