2152641480540 has 96 divisors (see below), whose sum is σ = 6170176083456. Its totient is φ = 560450929920.

The previous prime is 2152641480533. The next prime is 2152641480571. The reversal of 2152641480540 is 450841462512.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2152641480492 and 2152641480501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5967769 + ... + 6318191.

It is an arithmetic number, because the mean of its divisors is an integer number (64272667536).

Almost surely, 2^{2152641480540} is an apocalyptic number.

2152641480540 is a gapful number since it is divisible by the number (20) 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 2152641480540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3085088041728).

2152641480540 is an abundant number, since it is smaller than the sum of its proper divisors (4017534602916).

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

2152641480540 is a wasteful number, since it uses less digits than its factorization.

2152641480540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352859 (or 352857 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 2152641480540 in words is "two trillion, one hundred fifty-two billion, six hundred forty-one million, four hundred eighty thousand, five hundred forty".