2620790355 has 16 divisors (see below), whose sum is σ = 4230375840. Its totient is φ = 1385384448.

The previous prime is 2620790351. The next prime is 2620790369. The reversal of 2620790355 is 5530970262.

It is not a de Polignac number, because 2620790355 - 2² = 2620790351 is a prime.

It is a super-2 number, since 2×2620790355² = 13737084169722052050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2620790351) 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, 771400 + ... + 774789.

It is an arithmetic number, because the mean of its divisors is an integer number (264398490).

Almost surely, 2^2620790355 is an apocalyptic number.

2620790355 is a deficient number, since it is larger than the sum of its proper divisors (1609585485).

2620790355 is a wasteful number, since it uses less digits than its factorization.

2620790355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546310.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 2620790355 is about 51193.6554174441. The cubic root of 2620790355 is about 1378.7242910281.

The spelling of 2620790355 in words is "two billion, six hundred twenty million, seven hundred ninety thousand, three hundred fifty-five".