1912440160 has 144 divisors (see below), whose sum is σ = 4887857520. Its totient is φ = 706764800.

The previous prime is 1912440113. The next prime is 1912440163. The reversal of 1912440160 is 610442191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912440163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2727810 + ... + 2728510.

It is an arithmetic number, because the mean of its divisors is an integer number (33943455).

Almost surely, 2^1912440160 is an apocalyptic number.

1912440160 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 1912440160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2443928760).

1912440160 is an abundant number, since it is smaller than the sum of its proper divisors (2975417360).

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

1912440160 is a wasteful number, since it uses less digits than its factorization.

1912440160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1912440160 is about 43731.4550409657. The cubic root of 1912440160 is about 1241.2595941583.

The spelling of 1912440160 in words is "one billion, nine hundred twelve million, four hundred forty thousand, one hundred sixty".