1942208280 has 320 divisors, whose sum is σ = 6870631680. Its totient is φ = 491443200.

The previous prime is 1942208263. The next prime is 1942208321. The reversal of 1942208280 is 828022491.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6126682 + ... + 6126998.

It is an arithmetic number, because the mean of its divisors is an integer number (21470724).

Almost surely, 2^1942208280 is an apocalyptic number.

1942208280 is a gapful number since it is divisible by the number (10) 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 1942208280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3435315840).

1942208280 is an abundant number, since it is smaller than the sum of its proper divisors (4928423400).

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

1942208280 is a wasteful number, since it uses less digits than its factorization.

1942208280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1942208280 is about 44070.4921687970. The cubic root of 1942208280 is about 1247.6667471882. Note that the first 3 decimals are identical.

It can be divided in two parts, 194220 and 8280, that added together give a square (202500 = 450²).

The spelling of 1942208280 in words is "one billion, nine hundred forty-two million, two hundred eight thousand, two hundred eighty".