1516236025440 has 48 divisors (see below), whose sum is σ = 4776143481648. Its totient is φ = 404329606656.

The previous prime is 1516236025427. The next prime is 1516236025441. The reversal of 1516236025440 is 445206326151.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516236025441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579412047 + ... + 1579413006.

It is an arithmetic number, because the mean of its divisors is an integer number (99502989201).

Almost surely, 2^{1516236025440} is an apocalyptic number.

1516236025440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516236025440 is an abundant number, since it is smaller than the sum of its proper divisors (3259907456208).

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

1516236025440 is a wasteful number, since it uses less digits than its factorization.

1516236025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158825071 (or 3158825063 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1516236025440 in words is "one trillion, five hundred sixteen billion, two hundred thirty-six million, twenty-five thousand, four hundred forty".