1912479744 has 112 divisors (see below), whose sum is σ = 5828678208. Its totient is φ = 546373632.

The previous prime is 1912479661. The next prime is 1912479761. The reversal of 1912479744 is 4479742191.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1912479693 and 1912479702.

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, 166474 + ... + 177590.

Almost surely, 2^1912479744 is an apocalyptic number.

1912479744 is a gapful number since it is divisible by the number (14) 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 1912479744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2914339104).

1912479744 is an abundant number, since it is smaller than the sum of its proper divisors (3916198464).

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

1912479744 is an equidigital number, since it uses as much as digits as its factorization.

1912479744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11153 (or 11129 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 1912479744 is about 43731.9076190372. The cubic root of 1912479744 is about 1241.2681580308.

The spelling of 1912479744 in words is "one billion, nine hundred twelve million, four hundred seventy-nine thousand, seven hundred forty-four".