2119746240 has 224 divisors, whose sum is σ = 7803855360. Its totient is φ = 540638208.

The previous prime is 2119746173. The next prime is 2119746253. The reversal of 2119746240 is 426479112.

It is a happy number.

2119746240 is a `hidden beast` number, since 2 + 1 + 197 + 462 + 4 + 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 = 2119746195 and 2119746204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193387 + ... + 204053.

It is an arithmetic number, because the mean of its divisors is an integer number (34838640).

Almost surely, 2^2119746240 is an apocalyptic number.

2119746240 is a gapful number since it is divisible by the number (20) 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 2119746240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3901927680).

2119746240 is an abundant number, since it is smaller than the sum of its proper divisors (5684109120).

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

2119746240 is a wasteful number, since it uses less digits than its factorization.

2119746240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716 (or 10700 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2119746240 is about 46040.7019929106. The cubic root of 2119746240 is about 1284.5803996721.

The spelling of 2119746240 in words is "two billion, one hundred nineteen million, seven hundred forty-six thousand, two hundred forty".