3555672780 has 48 divisors (see below), whose sum is σ = 10860966144. Its totient is φ = 861981120.

The previous prime is 3555672763. The next prime is 3555672793. The reversal of 3555672780 is 872765553.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2693032 + ... + 2694351.

It is an arithmetic number, because the mean of its divisors is an integer number (226270128).

Almost surely, 2^3555672780 is an apocalyptic number.

3555672780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3555672780 is an abundant number, since it is smaller than the sum of its proper divisors (7305293364).

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

3555672780 is a wasteful number, since it uses less digits than its factorization.

3555672780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387406 (or 5387404 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 48.

The square root of 3555672780 is about 59629.4623487417. The cubic root of 3555672780 is about 1526.3024301148.

The spelling of 3555672780 in words is "three billion, five hundred fifty-five million, six hundred seventy-two thousand, seven hundred eighty".