2039806655524 has 27 divisors (see below), whose sum is σ = 3923738118811. Its totient is φ = 927170561240.

The previous prime is 2039806655507. The next prime is 2039806655527. The reversal of 2039806655524 is 4255566089302.

The square root of 2039806655524 is 1428218.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2039806655524² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2039806655527) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31388337 + ... + 31453255.

Almost surely, 2^{2039806655524} is an apocalyptic number.

2039806655524 is the 1428218-th square number.

It is an amenable number.

2039806655524 is a deficient number, since it is larger than the sum of its proper divisors (1883931463287).

2039806655524 is an frugal number, since it uses more digits than its factorization.

2039806655524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129864 (or 64932 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 2039806655524 in words is "two trillion, thirty-nine billion, eight hundred six million, six hundred fifty-five thousand, five hundred twenty-four".