3423279780 has 384 divisors, whose sum is σ = 11870208000. Its totient is φ = 815546880.

The previous prime is 3423279779. The next prime is 3423279803. The reversal of 3423279780 is 879723243.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14948706 + ... + 14948934.

It is an arithmetic number, because the mean of its divisors is an integer number (30912000).

Almost surely, 2^3423279780 is an apocalyptic number.

3423279780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3423279780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5935104000).

3423279780 is an abundant number, since it is smaller than the sum of its proper divisors (8446928220).

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

3423279780 is a wasteful number, since it uses less digits than its factorization.

3423279780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 3423279780 is about 58508.8008764493. The cubic root of 3423279780 is about 1507.1187224163.

The spelling of 3423279780 in words is "three billion, four hundred twenty-three million, two hundred seventy-nine thousand, seven hundred eighty".