2629396890 has 80 divisors (see below), whose sum is σ = 7442313120. Its totient is φ = 664264800.

The previous prime is 2629396883. The next prime is 2629396949. The reversal of 2629396890 is 986939262.

2629396890 is a `hidden beast` number, since 2 + 629 + 3 + 9 + 6 + 8 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 70036 + ... + 100815.

It is an arithmetic number, because the mean of its divisors is an integer number (93028914).

Almost surely, 2^2629396890 is an apocalyptic number.

2629396890 is an abundant number, since it is smaller than the sum of its proper divisors (4812916230).

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

2629396890 is a wasteful number, since it uses less digits than its factorization.

2629396890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170889 (or 170880 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 2629396890 is about 51277.6451292374. The cubic root of 2629396890 is about 1380.2318608527.

The spelling of 2629396890 in words is "two billion, six hundred twenty-nine million, three hundred ninety-six thousand, eight hundred ninety".