2064537027540 has 72 divisors (see below), whose sum is σ = 6744154297608. Its totient is φ = 508193729280.

The previous prime is 2064537027521. The next prime is 2064537027551. The reversal of 2064537027540 is 457207354602.

2064537027540 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 5 + 370 + 275 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2481235344 + 2062055792196 = 49812^2 + 1435986^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441138051 + ... + 441142730.

It is an arithmetic number, because the mean of its divisors is an integer number (93668809689).

Almost surely, 2^{2064537027540} is an apocalyptic number.

2064537027540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064537027540 is an abundant number, since it is smaller than the sum of its proper divisors (4679617270068).

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

2064537027540 is a wasteful number, since it uses less digits than its factorization.

2064537027540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882280809 (or 882280804 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 2064537027540 in words is "two trillion, sixty-four billion, five hundred thirty-seven million, twenty-seven thousand, five hundred forty".