3540021530064 has 320 divisors, whose sum is σ = 10239328641024. Its totient is φ = 1048115109888.

The previous prime is 3540021530033. The next prime is 3540021530077. The reversal of 3540021530064 is 4600351200453.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2216668914 + ... + 2216670510.

Almost surely, 2^{3540021530064} is an apocalyptic number.

3540021530064 is a gapful number since it is divisible by the number (34) 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 3540021530064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5119664320512).

3540021530064 is an abundant number, since it is smaller than the sum of its proper divisors (6699307110960).

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

3540021530064 is a wasteful number, since it uses less digits than its factorization.

3540021530064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154 (or 3148 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 3540021530064 in words is "three trillion, five hundred forty billion, twenty-one million, five hundred thirty thousand, sixty-four".