23404201040 has 40 divisors (see below), whose sum is σ = 59361566688. Its totient is φ = 8510618240.

The previous prime is 23404200997. The next prime is 23404201043. The reversal of 23404201040 is 4010240432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404201043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13296962 + ... + 13298721.

Almost surely, 2^23404201040 is an apocalyptic number.

23404201040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404201040 is an abundant number, since it is smaller than the sum of its proper divisors (35957365648).

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

23404201040 is a wasteful number, since it uses less digits than its factorization.

23404201040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26595707 (or 26595701 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23404201040 its reverse (4010240432), we get a palindrome (27414441472).

The spelling of 23404201040 in words is "twenty-three billion, four hundred four million, two hundred one thousand, forty".