23404422040 has 32 divisors (see below), whose sum is σ = 52715292480. Its totient is φ = 9351930112.

The previous prime is 23404422017. The next prime is 23404422047. The reversal of 23404422040 is 4022440432.

It is a junction number, because it is equal to n+sod(n) for n = 23404421996 and 23404422014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404422047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268864 + ... + 345103.

It is an arithmetic number, because the mean of its divisors is an integer number (1647352890).

Almost surely, 2^23404422040 is an apocalyptic number.

23404422040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404422040 is an abundant number, since it is smaller than the sum of its proper divisors (29310870440).

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

23404422040 is a wasteful number, since it uses less digits than its factorization.

23404422040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614931 (or 614927 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 23404422040 its reverse (4022440432), we get a palindrome (27426862472).

The spelling of 23404422040 in words is "twenty-three billion, four hundred four million, four hundred twenty-two thousand, forty".