1825485278400 has 378 divisors, whose sum is σ = 7547507503380. Its totient is φ = 417253616640.

The previous prime is 1825485278399. The next prime is 1825485278413. The reversal of 1825485278400 is 48725845281.

1825485278400 is a `hidden beast` number, since 1 + 8 + 2 + 548 + 52 + 7 + 8 + 40 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 587970 + ... + 1999169.

Almost surely, 2^{1825485278400} is an apocalyptic number.

1825485278400 is a gapful number since it is divisible by the number (10) 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 1825485278400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3773753751690).

1825485278400 is an abundant number, since it is smaller than the sum of its proper divisors (5722022224980).

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

1825485278400 is a wasteful number, since it uses less digits than its factorization.

1825485278400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587181 (or 2587156 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 54.

The spelling of 1825485278400 in words is "one trillion, eight hundred twenty-five billion, four hundred eighty-five million, two hundred seventy-eight thousand, four hundred".