2115234053440 has 224 divisors, whose sum is σ = 5176352563200. Its totient is φ = 822977126400.

The previous prime is 2115234053431. The next prime is 2115234053473. The reversal of 2115234053440 is 443504325112.

It is a junction number, because it is equal to n+sod(n) for n = 2115234053396 and 2115234053405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1130535705 + ... + 1130537575.

It is an arithmetic number, because the mean of its divisors is an integer number (23108716800).

Almost surely, 2^{2115234053440} is an apocalyptic number.

2115234053440 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 2115234053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2588176281600).

2115234053440 is an abundant number, since it is smaller than the sum of its proper divisors (3061118509760).

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

2115234053440 is a wasteful number, since it uses less digits than its factorization.

2115234053440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 2115234053440 its reverse (443504325112), we get a palindrome (2558738378552).

The spelling of 2115234053440 in words is "two trillion, one hundred fifteen billion, two hundred thirty-four million, fifty-three thousand, four hundred forty".