4155215253400 has 192 divisors, whose sum is σ = 10193794207200. Its totient is φ = 1572759552000.

The previous prime is 4155215253391. The next prime is 4155215253403. The reversal of 4155215253400 is 43525125514.

4155215253400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4155215253400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155215253403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298478440 + ... + 298492360.

Almost surely, 2^{4155215253400} is an apocalyptic number.

4155215253400 is a gapful number since it is divisible by the number (40) 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 4155215253400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5096897103600).

4155215253400 is an abundant number, since it is smaller than the sum of its proper divisors (6038578953800).

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

4155215253400 is a wasteful number, since it uses less digits than its factorization.

4155215253400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14990 (or 14981 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 4155215253400 in words is "four trillion, one hundred fifty-five billion, two hundred fifteen million, two hundred fifty-three thousand, four hundred".