2654440290 has 48 divisors (see below), whose sum is σ = 6988924800. Its totient is φ = 698888736.

The previous prime is 2654440289. The next prime is 2654440303. The reversal of 2654440290 is 920444562.

2654440290 is a `hidden beast` number, since 26 + 544 + 4 + 0 + 2 + 90 = 666.

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 23 ways as a sum of consecutive naturals, for example, 179560 + ... + 193779.

It is an arithmetic number, because the mean of its divisors is an integer number (145602600).

Almost surely, 2^2654440290 is an apocalyptic number.

2654440290 is an abundant number, since it is smaller than the sum of its proper divisors (4334484510).

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

2654440290 is a wasteful number, since it uses less digits than its factorization.

2654440290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373431 (or 373428 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2654440290 is about 51521.2605629948. The cubic root of 2654440290 is about 1384.5999774425.

The spelling of 2654440290 in words is "two billion, six hundred fifty-four million, four hundred forty thousand, two hundred ninety".