22515542430040 has 64 divisors (see below), whose sum is σ = 55273674447360. Its totient is φ = 8186247438720.

The previous prime is 22515542430023. The next prime is 22515542430049. The reversal of 22515542430040 is 4003424551522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22515542430049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867754 + ... + 6766393.

It is an arithmetic number, because the mean of its divisors is an integer number (863651163240).

Almost surely, 2^{22515542430040} is an apocalyptic number.

22515542430040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22515542430040 is an abundant number, since it is smaller than the sum of its proper divisors (32758132017320).

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

22515542430040 is a wasteful number, since it uses less digits than its factorization.

22515542430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640872 (or 7640868 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 22515542430040 its reverse (4003424551522), we get a palindrome (26518966981562).

The spelling of 22515542430040 in words is "twenty-two trillion, five hundred fifteen billion, five hundred forty-two million, four hundred thirty thousand, forty".