2432723640 has 128 divisors (see below), whose sum is σ = 7379251200. Its totient is φ = 641571840.

The previous prime is 2432723633. The next prime is 2432723641. The reversal of 2432723640 is 463272342.

It is a super-2 number, since 2×2432723640² = 11836288617229699200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2432723641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7772124 + ... + 7772436.

It is an arithmetic number, because the mean of its divisors is an integer number (57650400).

Almost surely, 2^2432723640 is an apocalyptic number.

2432723640 is a gapful number since it is divisible by the number (20) 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 2432723640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3689625600).

2432723640 is an abundant number, since it is smaller than the sum of its proper divisors (4946527560).

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

2432723640 is a wasteful number, since it uses less digits than its factorization.

2432723640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 2432723640 is about 49322.6483473870. The cubic root of 2432723640 is about 1344.9235299687.

Adding to 2432723640 its reverse (463272342), we get a palindrome (2895995982).

The spelling of 2432723640 in words is "two billion, four hundred thirty-two million, seven hundred twenty-three thousand, six hundred forty".