2490221258 has 24 divisors (see below), whose sum is σ = 4485354624. Its totient is φ = 1032809400.

The previous prime is 2490221231. The next prime is 2490221267. The reversal of 2490221258 is 8521220942.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406808 + ... + 412883.

It is an arithmetic number, because the mean of its divisors is an integer number (186889776).

Almost surely, 2^2490221258 is an apocalyptic number.

2490221258 is a deficient number, since it is larger than the sum of its proper divisors (1995133366).

2490221258 is a wasteful number, since it uses less digits than its factorization.

2490221258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819738 (or 819731 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2490221258 is about 49902.1167687304. The cubic root of 2490221258 is about 1355.4369234079.

The spelling of 2490221258 in words is "two billion, four hundred ninety million, two hundred twenty-one thousand, two hundred fifty-eight".