24689764542 has 16 divisors (see below), whose sum is σ = 50311218960. Its totient is φ = 8074639872.

The previous prime is 24689764537. The next prime is 24689764549. The reversal of 24689764542 is 24546798642.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24689764549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38820067 + ... + 38820702.

It is an arithmetic number, because the mean of its divisors is an integer number (3144451185).

Almost surely, 2^24689764542 is an apocalyptic number.

24689764542 is an abundant number, since it is smaller than the sum of its proper divisors (25621454418).

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

24689764542 is a wasteful number, since it uses less digits than its factorization.

24689764542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77640827.

The product of its digits is 23224320, while the sum is 57.

The spelling of 24689764542 in words is "twenty-four billion, six hundred eighty-nine million, seven hundred sixty-four thousand, five hundred forty-two".