23350404240 has 120 divisors (see below), whose sum is σ = 78490988160. Its totient is φ = 6221014272.

The previous prime is 23350404229. The next prime is 23350404271. The reversal of 23350404240 is 4240405332.

23350404240 is a `hidden beast` number, since 233 + 5 + 0 + 4 + 0 + 424 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 794121 + ... + 822999.

It is an arithmetic number, because the mean of its divisors is an integer number (654091568).

Almost surely, 2^23350404240 is an apocalyptic number.

23350404240 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 23350404240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39245494080).

23350404240 is an abundant number, since it is smaller than the sum of its proper divisors (55140583920).

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

23350404240 is a wasteful number, since it uses less digits than its factorization.

23350404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30021 (or 30012 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 23350404240 its reverse (4240405332), we get a palindrome (27590809572).

The spelling of 23350404240 in words is "twenty-three billion, three hundred fifty million, four hundred four thousand, two hundred forty".