4066770780 has 48 divisors (see below), whose sum is σ = 12652177440. Its totient is φ = 1084472064.

The previous prime is 4066770767. The next prime is 4066770793. The reversal of 4066770780 is 870776604.

It is an interprime number because it is at equal distance from previous prime (4066770767) and next prime (4066770793).

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

It is a congruent number.

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, 3764989 + ... + 3766068.

It is an arithmetic number, because the mean of its divisors is an integer number (263587030).

Almost surely, 2^4066770780 is an apocalyptic number.

It is an amenable number.

4066770780 is an abundant number, since it is smaller than the sum of its proper divisors (8585406660).

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

4066770780 is a wasteful number, since it uses less digits than its factorization.

4066770780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531075 (or 7531067 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 4066770780 is about 63771.2378741388. The cubic root of 4066770780 is about 1596.1850229275.

The spelling of 4066770780 in words is "four billion, sixty-six million, seven hundred seventy thousand, seven hundred eighty".