2629243890 has 96 divisors (see below), whose sum is σ = 8413606656. Its totient is φ = 554739840.

The previous prime is 2629243853. The next prime is 2629243909. The reversal of 2629243890 is 983429262.

2629243890 is a `hidden beast` number, since 262 + 9 + 2 + 4 + 389 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152326 + ... + 168705.

It is an arithmetic number, because the mean of its divisors is an integer number (87641736).

Almost surely, 2^2629243890 is an apocalyptic number.

2629243890 is an abundant number, since it is smaller than the sum of its proper divisors (5784362766).

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

2629243890 is a wasteful number, since it uses less digits than its factorization.

2629243890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321064 (or 321061 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 2629243890 is about 51276.1532293521. The cubic root of 2629243890 is about 1380.2050892418.

The spelling of 2629243890 in words is "two billion, six hundred twenty-nine million, two hundred forty-three thousand, eight hundred ninety".