1912029740 has 24 divisors (see below), whose sum is σ = 4153721040. Its totient is φ = 738438848.

The previous prime is 1912029737. The next prime is 1912029751. The reversal of 1912029740 is 479202191.

It is a self number, because there is not a number n which added to its sum of digits gives 1912029740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647722 + ... + 1648881.

It is an arithmetic number, because the mean of its divisors is an integer number (173071710).

Almost surely, 2^1912029740 is an apocalyptic number.

1912029740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1912029740 is an abundant number, since it is smaller than the sum of its proper divisors (2241691300).

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

1912029740 is a wasteful number, since it uses less digits than its factorization.

1912029740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296641 (or 3296639 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1912029740 is about 43726.7622858130. The cubic root of 1912029740 is about 1241.1707941320.

The spelling of 1912029740 in words is "one billion, nine hundred twelve million, twenty-nine thousand, seven hundred forty".