1521108240480 has 480 divisors, whose sum is σ = 5421819110400. Its totient is φ = 401594941440.

The previous prime is 1521108240473. The next prime is 1521108240517. The reversal of 1521108240480 is 840428011251.

1521108240480 is a `hidden beast` number, since 1 + 52 + 1 + 10 + 82 + 40 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1450054996 + ... + 1450056044.

It is an arithmetic number, because the mean of its divisors is an integer number (11295456480).

Almost surely, 2^{1521108240480} is an apocalyptic number.

1521108240480 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 1521108240480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2710909555200).

1521108240480 is an abundant number, since it is smaller than the sum of its proper divisors (3900710869920).

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

1521108240480 is a wasteful number, since it uses less digits than its factorization.

1521108240480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The spelling of 1521108240480 in words is "one trillion, five hundred twenty-one billion, one hundred eight million, two hundred forty thousand, four hundred eighty".