1999114740 has 108 divisors (see below), whose sum is σ = 7054050276. Its totient is φ = 456938496.

The previous prime is 1999114723. The next prime is 1999114757. The reversal of 1999114740 is 474119991.

1999114740 is a `hidden beast` number, since 1 + 99 + 91 + 1 + 474 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1999114723) and next prime (1999114757).

It can be written as a sum of positive squares in 2 ways, for example, as 1568635236 + 430479504 = 39606^2 + 20748^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 104509 + ... + 122148.

Almost surely, 2^1999114740 is an apocalyptic number.

1999114740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1999114740 is an abundant number, since it is smaller than the sum of its proper divisors (5054935536).

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

1999114740 is a wasteful number, since it uses less digits than its factorization.

1999114740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226686 (or 226674 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 1999114740 is about 44711.4609468311. The cubic root of 1999114740 is about 1259.7351295094.

The spelling of 1999114740 in words is "one billion, nine hundred ninety-nine million, one hundred fourteen thousand, seven hundred forty".