23425041507840 has 640 divisors, whose sum is σ = 95130365552640. Its totient is φ = 5352276787200.

The previous prime is 23425041507823. The next prime is 23425041507871. The reversal of 23425041507840 is 4870514052432.

23425041507840 is a `hidden beast` number, since 2 + 3 + 4 + 25 + 0 + 41 + 507 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1558441125 + ... + 1558456155.

It is an arithmetic number, because the mean of its divisors is an integer number (148641196176).

Almost surely, 2^{23425041507840} is an apocalyptic number.

23425041507840 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 23425041507840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47565182776320).

23425041507840 is an abundant number, since it is smaller than the sum of its proper divisors (71705324044800).

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

23425041507840 is a wasteful number, since it uses less digits than its factorization.

23425041507840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18291 (or 18269 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 23425041507840 in words is "twenty-three trillion, four hundred twenty-five billion, forty-one million, five hundred seven thousand, eight hundred forty".