1540425252320 has 96 divisors (see below), whose sum is σ = 3836775509280. Its totient is φ = 582828687360.

The previous prime is 1540425252319. The next prime is 1540425252323. The reversal of 1540425252320 is 232525240451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540425252323) 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, 1553384 + ... + 2343896.

It is an arithmetic number, because the mean of its divisors is an integer number (39966411555).

Almost surely, 2^{1540425252320} is an apocalyptic number.

1540425252320 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 1540425252320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918387754640).

1540425252320 is an abundant number, since it is smaller than the sum of its proper divisors (2296350256960).

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

1540425252320 is a wasteful number, since it uses less digits than its factorization.

1540425252320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791188 (or 791180 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 1540425252320 in words is "one trillion, five hundred forty billion, four hundred twenty-five million, two hundred fifty-two thousand, three hundred twenty".