23622412240 has 40 divisors (see below), whose sum is σ = 62768125440. Its totient is φ = 8099112576.

The previous prime is 23622412183. The next prime is 23622412249. The reversal of 23622412240 is 4221422632.

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 (28).

It is a junction number, because it is equal to n+sod(n) for n = 23622412199 and 23622412208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23622412249) 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, 21090880 + ... + 21091999.

It is an arithmetic number, because the mean of its divisors is an integer number (1569203136).

Almost surely, 2^23622412240 is an apocalyptic number.

23622412240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23622412240 is an abundant number, since it is smaller than the sum of its proper divisors (39145713200).

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

23622412240 is a wasteful number, since it uses less digits than its factorization.

23622412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42182899 (or 42182893 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 23622412240 its reverse (4221422632), we get a palindrome (27843834872).

The spelling of 23622412240 in words is "twenty-three billion, six hundred twenty-two million, four hundred twelve thousand, two hundred forty".