1942404828 has 48 divisors (see below), whose sum is σ = 5578191360. Its totient is φ = 512282304.

The previous prime is 1942404817. The next prime is 1942404859. The reversal of 1942404828 is 8284042491.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1942404828.

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, 888288 + ... + 890471.

It is an arithmetic number, because the mean of its divisors is an integer number (116212320).

Almost surely, 2^1942404828 is an apocalyptic number.

It is an amenable number.

1942404828 is an abundant number, since it is smaller than the sum of its proper divisors (3635786532).

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

1942404828 is a wasteful number, since it uses less digits than its factorization.

1942404828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778786 (or 1778784 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1942404828 is about 44072.7220398287. The cubic root of 1942404828 is about 1247.7088329821.

The spelling of 1942404828 in words is "one billion, nine hundred forty-two million, four hundred four thousand, eight hundred twenty-eight".