1842178380 has 96 divisors (see below), whose sum is σ = 6038807040. Its totient is φ = 410795520.

The previous prime is 1842178369. The next prime is 1842178409. The reversal of 1842178380 is 838712481.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36270 + ... + 70709.

It is an arithmetic number, because the mean of its divisors is an integer number (62904240).

Almost surely, 2^1842178380 is an apocalyptic number.

1842178380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1842178380 is an abundant number, since it is smaller than the sum of its proper divisors (4196628660).

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

1842178380 is a wasteful number, since it uses less digits than its factorization.

1842178380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107039 (or 107037 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 1842178380 is about 42920.6055409287. The cubic root of 1842178380 is about 1225.8685230429.

The spelling of 1842178380 in words is "one billion, eight hundred forty-two million, one hundred seventy-eight thousand, three hundred eighty".