2620566426 has 16 divisors (see below), whose sum is σ = 5242019328. Its totient is φ = 873374400.

The previous prime is 2620566419. The next prime is 2620566449. The reversal of 2620566426 is 6246650262.

2620566426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5191 + ... + 72581.

It is an arithmetic number, because the mean of its divisors is an integer number (327626208).

Almost surely, 2^2620566426 is an apocalyptic number.

2620566426 is an abundant number, since it is smaller than the sum of its proper divisors (2621452902).

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

2620566426 is a wasteful number, since it uses less digits than its factorization.

2620566426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73877.

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 2620566426 is about 51191.4682930662. The cubic root of 2620566426 is about 1378.6850223212.

The spelling of 2620566426 in words is "two billion, six hundred twenty million, five hundred sixty-six thousand, four hundred twenty-six".