2025279890 has 16 divisors (see below), whose sum is σ = 3667871808. Its totient is φ = 805141296.

The previous prime is 2025279889. The next prime is 2025279947. The reversal of 2025279890 is 989725202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619622 + ... + 622881.

It is an arithmetic number, because the mean of its divisors is an integer number (229241988).

Almost surely, 2^2025279890 is an apocalyptic number.

2025279890 is a deficient number, since it is larger than the sum of its proper divisors (1642591918).

2025279890 is a wasteful number, since it uses less digits than its factorization.

2025279890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242673.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 2025279890 is about 45003.1097814362. The cubic root of 2025279890 is about 1265.2072837534.

The spelling of 2025279890 in words is "two billion, twenty-five million, two hundred seventy-nine thousand, eight hundred ninety".