2626340290 has 64 divisors (see below), whose sum is σ = 5559902208. Its totient is φ = 874368000.

The previous prime is 2626340273. The next prime is 2626340291. The reversal of 2626340290 is 920436262.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2626340291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2281215 + ... + 2282365.

It is an arithmetic number, because the mean of its divisors is an integer number (86873472).

Almost surely, 2^2626340290 is an apocalyptic number.

2626340290 is an abundant number, since it is smaller than the sum of its proper divisors (2933561918).

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

2626340290 is a wasteful number, since it uses less digits than its factorization.

2626340290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 2626340290 is about 51247.8320517073. The cubic root of 2626340290 is about 1379.6968265601.

The spelling of 2626340290 in words is "two billion, six hundred twenty-six million, three hundred forty thousand, two hundred ninety".