2259477680 has 40 divisors (see below), whose sum is σ = 5481693792. Its totient is φ = 864495104.

The previous prime is 2259477593. The next prime is 2259477707. The reversal of 2259477680 is 867749522.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×2259477680³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612149 + ... + 615828.

Almost surely, 2^2259477680 is an apocalyptic number.

2259477680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2259477680 is an abundant number, since it is smaller than the sum of its proper divisors (3222216112).

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

2259477680 is a wasteful number, since it uses less digits than its factorization.

2259477680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228013 (or 1228007 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 2259477680 is about 47533.9634366839. The cubic root of 2259477680 is about 1312.2080122052.

The spelling of 2259477680 in words is "two billion, two hundred fifty-nine million, four hundred seventy-seven thousand, six hundred eighty".