3723844140 has 72 divisors (see below), whose sum is σ = 11308227840. Its totient is φ = 991920384.

The previous prime is 3723844129. The next prime is 3723844153. The reversal of 3723844140 is 414483273.

3723844140 is a `hidden beast` number, since 3 + 7 + 238 + 4 + 414 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 3723844095 and 3723844104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157621 + ... + 179699.

It is an arithmetic number, because the mean of its divisors is an integer number (157058720).

Almost surely, 2^3723844140 is an apocalyptic number.

3723844140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3723844140 is an abundant number, since it is smaller than the sum of its proper divisors (7584383700).

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

3723844140 is a wasteful number, since it uses less digits than its factorization.

3723844140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23031 (or 23026 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 3723844140 is about 61023.3081699116. The cubic root of 3723844140 is about 1549.9957183371.

The spelling of 3723844140 in words is "three billion, seven hundred twenty-three million, eight hundred forty-four thousand, one hundred forty".