2620526390416 has 45 divisors (see below), whose sum is σ = 5580952472179. Its totient is φ = 1191115983200.

The previous prime is 2620526390413. The next prime is 2620526390429. The reversal of 2620526390416 is 6140936250262.

The square root of 2620526390416 is 1618804.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2620526390413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 71208981 + ... + 71245771.

Almost surely, 2^{2620526390416} is an apocalyptic number.

2620526390416 is the 1618804-th square number.

It is an amenable number.

2620526390416 is an abundant number, since it is smaller than the sum of its proper divisors (2960426081763).

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

2620526390416 is an frugal number, since it uses more digits than its factorization.

2620526390416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73612 (or 36804 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 2620526390416 in words is "two trillion, six hundred twenty billion, five hundred twenty-six million, three hundred ninety thousand, four hundred sixteen".