1521452005040 has 80 divisors (see below), whose sum is σ = 3864399939360. Its totient is φ = 552474716160.

The previous prime is 1521452005001. The next prime is 1521452005081. The reversal of 1521452005040 is 405002541251.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1521452004994 and 1521452005012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595349 + ... + 1843188.

It is an arithmetic number, because the mean of its divisors is an integer number (48304999242).

Almost surely, 2^{1521452005040} is an apocalyptic number.

1521452005040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1521452005040 is an abundant number, since it is smaller than the sum of its proper divisors (2342947934320).

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

1521452005040 is a wasteful number, since it uses less digits than its factorization.

1521452005040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439270 (or 2439264 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 1521452005040 its reverse (405002541251), we get a palindrome (1926454546291).

The spelling of 1521452005040 in words is "one trillion, five hundred twenty-one billion, four hundred fifty-two million, five thousand, forty".