2153446016540 has 48 divisors (see below), whose sum is σ = 5565829708992. Its totient is φ = 681530167296.

The previous prime is 2153446016531. The next prime is 2153446016543. The reversal of 2153446016540 is 456106443512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153446016543) 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, 591604229 + ... + 591607868.

It is an arithmetic number, because the mean of its divisors is an integer number (115954785604).

Almost surely, 2^{2153446016540} is an apocalyptic number.

2153446016540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153446016540 is an abundant number, since it is smaller than the sum of its proper divisors (3412383692452).

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

2153446016540 is a wasteful number, since it uses less digits than its factorization.

2153446016540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183212126 (or 1183212124 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 2153446016540 in words is "two trillion, one hundred fifty-three billion, four hundred forty-six million, sixteen thousand, five hundred forty".