23550532240 has 20 divisors (see below), whose sum is σ = 54754987644. Its totient is φ = 9420212864.

The previous prime is 23550532231. The next prime is 23550532249. The reversal of 23550532240 is 4223505532.

It is an interprime number because it is at equal distance from previous prime (23550532231) and next prime (23550532249).

It can be written as a sum of positive squares in 2 ways, for example, as 12226167184 + 11324365056 = 110572^2 + 106416^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (23550532249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147190747 + ... + 147190906.

Almost surely, 2^23550532240 is an apocalyptic number.

23550532240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23550532240 is an abundant number, since it is smaller than the sum of its proper divisors (31204455404).

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

23550532240 is a wasteful number, since it uses less digits than its factorization.

23550532240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294381666 (or 294381660 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 23550532240 in words is "twenty-three billion, five hundred fifty million, five hundred thirty-two thousand, two hundred forty".