2661420274 has 8 divisors (see below), whose sum is σ = 4002554880. Its totient is φ = 1327235316.

The previous prime is 2661420271. The next prime is 2661420283. The reversal of 2661420274 is 4720241662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2661420271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736454 + ... + 1737985.

It is an arithmetic number, because the mean of its divisors is an integer number (500319360).

Almost surely, 2^2661420274 is an apocalyptic number.

2661420274 is a deficient number, since it is larger than the sum of its proper divisors (1341134606).

2661420274 is a wasteful number, since it uses less digits than its factorization.

2661420274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474824.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 2661420274 is about 51588.9549613093. The cubic root of 2661420274 is about 1385.8125402811.

The spelling of 2661420274 in words is "two billion, six hundred sixty-one million, four hundred twenty thousand, two hundred seventy-four".