2028480261 has 8 divisors (see below), whose sum is σ = 2846989920. Its totient is φ = 1281145392.

The previous prime is 2028480253. The next prime is 2028480269. The reversal of 2028480261 is 1620848202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2028480253) and next prime (2028480269).

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

It is not a de Polignac number, because 2028480261 - 2³ = 2028480253 is a prime.

It is a super-2 number, since 2×2028480261² = 8229464338533256242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028480269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17793630 + ... + 17793743.

It is an arithmetic number, because the mean of its divisors is an integer number (355873740).

Almost surely, 2^2028480261 is an apocalyptic number.

It is an amenable number.

2028480261 is a deficient number, since it is larger than the sum of its proper divisors (818509659).

2028480261 is a wasteful number, since it uses less digits than its factorization.

2028480261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35587395.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 2028480261 is about 45038.6529660912. The cubic root of 2028480261 is about 1265.8733648157.

The spelling of 2028480261 in words is "two billion, twenty-eight million, four hundred eighty thousand, two hundred sixty-one".