23449016640 has 896 divisors, whose sum is σ = 94804992000. Its totient is φ = 4889149440.

The previous prime is 23449016639. The next prime is 23449016693. The reversal of 23449016640 is 4661094432.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 330267805 + ... + 330267875.

Almost surely, 2^23449016640 is an apocalyptic number.

23449016640 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 23449016640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47402496000).

23449016640 is an abundant number, since it is smaller than the sum of its proper divisors (71355975360).

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

23449016640 is a wasteful number, since it uses less digits than its factorization.

23449016640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 23449016640 in words is "twenty-three billion, four hundred forty-nine million, sixteen thousand, six hundred forty".