411672780 has 60 divisors (see below), whose sum is σ = 1291437840. Its totient is φ = 109778976.

The previous prime is 411672773. The next prime is 411672803. The reversal of 411672780 is 87276114.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 125440 + ... + 128679.

It is an arithmetic number, because the mean of its divisors is an integer number (21523964).

Almost surely, 2^411672780 is an apocalyptic number.

It is an amenable number.

411672780 is an abundant number, since it is smaller than the sum of its proper divisors (879765060).

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

411672780 is a wasteful number, since it uses less digits than its factorization.

411672780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254140 (or 254129 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 411672780 is about 20289.7210429321. The cubic root of 411672780 is about 743.9048395461.

The spelling of 411672780 in words is "four hundred eleven million, six hundred seventy-two thousand, seven hundred eighty".