22915711145040 has 480 divisors, whose sum is σ = 82186747878144. Its totient is φ = 5174129664000.

The previous prime is 22915711145039. The next prime is 22915711145087. The reversal of 22915711145040 is 4054111751922.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 22915711144983 and 22915711145001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7636023540 + ... + 7636026540.

Almost surely, 2^{22915711145040} is an apocalyptic number.

22915711145040 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 22915711145040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41093373939072).

22915711145040 is an abundant number, since it is smaller than the sum of its proper divisors (59271036733104).

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

22915711145040 is a wasteful number, since it uses less digits than its factorization.

22915711145040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635 (or 3522 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

Adding to 22915711145040 its reverse (4054111751922), we get a palindrome (26969822896962).

The spelling of 22915711145040 in words is "twenty-two trillion, nine hundred fifteen billion, seven hundred eleven million, one hundred forty-five thousand, forty".