23946805440 has 224 divisors, whose sum is σ = 85271823360. Its totient is φ = 6325890048.

The previous prime is 23946805427. The next prime is 23946805499. The reversal of 23946805440 is 4450864932.

23946805440 is a `hidden beast` number, since 23 + 9 + 4 + 6 + 80 + 544 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 911529 + ... + 937431.

Almost surely, 2^23946805440 is an apocalyptic number.

23946805440 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 23946805440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42635911680).

23946805440 is an abundant number, since it is smaller than the sum of its proper divisors (61325017920).

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

23946805440 is a wasteful number, since it uses less digits than its factorization.

23946805440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26036 (or 26020 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 23946805440 in words is "twenty-three billion, nine hundred forty-six million, eight hundred five thousand, four hundred forty".