23548794440 has 64 divisors (see below), whose sum is σ = 54503230320. Its totient is φ = 9151488000.

The previous prime is 23548794439. The next prime is 23548794473. The reversal of 23548794440 is 4449784532.

It can be written as a sum of positive squares in 8 ways, for example, as 9389222404 + 14159572036 = 96898^2 + 118994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365450 + ... + 425030.

Almost surely, 2^23548794440 is an apocalyptic number.

23548794440 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 23548794440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27251615160).

23548794440 is an abundant number, since it is smaller than the sum of its proper divisors (30954435880).

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

23548794440 is a wasteful number, since it uses less digits than its factorization.

23548794440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59874 (or 59870 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 23548794440 in words is "twenty-three billion, five hundred forty-eight million, seven hundred ninety-four thousand, four hundred forty".