24740646642 has 40 divisors (see below), whose sum is σ = 55804564992. Its totient is φ = 8192259000.

The previous prime is 24740646641. The next prime is 24740646653. The reversal of 24740646642 is 24664604742.

It is a super-2 number, since 2×24740646642² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24740646641) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 481234 + ... + 530157.

Almost surely, 2^24740646642 is an apocalyptic number.

24740646642 is an abundant number, since it is smaller than the sum of its proper divisors (31063918350).

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

24740646642 is a wasteful number, since it uses less digits than its factorization.

24740646642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011556 (or 1011547 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 45.

The spelling of 24740646642 in words is "twenty-four billion, seven hundred forty million, six hundred forty-six thousand, six hundred forty-two".