24999534012 has 48 divisors (see below), whose sum is σ = 62900006400. Its totient is φ = 7702035840.

The previous prime is 24999533981. The next prime is 24999534017. The reversal of 24999534012 is 21043599942.

It is a super-2 number, since 2×24999534012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24999534017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1327812 + ... + 1346507.

It is an arithmetic number, because the mean of its divisors is an integer number (1310416800).

Almost surely, 2^24999534012 is an apocalyptic number.

It is an amenable number.

24999534012 is an abundant number, since it is smaller than the sum of its proper divisors (37900472388).

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

24999534012 is a wasteful number, since it uses less digits than its factorization.

24999534012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674386 (or 2674384 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 24999534012 in words is "twenty-four billion, nine hundred ninety-nine million, five hundred thirty-four thousand, twelve".