2620030655 has 16 divisors (see below), whose sum is σ = 3473280000. Its totient is φ = 1881353760.

The previous prime is 2620030603. The next prime is 2620030657. The reversal of 2620030655 is 5560300262.

It is a happy number.

It is not a de Polignac number, because 2620030655 - 2⁶ = 2620030591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620030657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297155 + ... + 305844.

It is an arithmetic number, because the mean of its divisors is an integer number (217080000).

Almost surely, 2^2620030655 is an apocalyptic number.

2620030655 is a deficient number, since it is larger than the sum of its proper divisors (853249345).

2620030655 is a wasteful number, since it uses less digits than its factorization.

2620030655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603094.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2620030655 is about 51186.2350148944. The cubic root of 2620030655 is about 1378.5910592005.

The spelling of 2620030655 in words is "two billion, six hundred twenty million, thirty thousand, six hundred fifty-five".