2258616780 has 108 divisors (see below), whose sum is σ = 7969721760. Its totient is φ = 516253248.

The previous prime is 2258616743. The next prime is 2258616791. The reversal of 2258616780 is 876168522.

2258616780 is a `hidden beast` number, since 2 + 2 + 586 + 1 + 67 + 8 + 0 = 666.

2258616780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119220 + ... + 136859.

It is an arithmetic number, because the mean of its divisors is an integer number (73793720).

Almost surely, 2^2258616780 is an apocalyptic number.

2258616780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2258616780 is an abundant number, since it is smaller than the sum of its proper divisors (5711104980).

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

2258616780 is a wasteful number, since it uses less digits than its factorization.

2258616780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256108 (or 256096 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 2258616780 is about 47524.9069436227. The cubic root of 2258616780 is about 1312.0413330660.

The spelling of 2258616780 in words is "two billion, two hundred fifty-eight million, six hundred sixteen thousand, seven hundred eighty".