1912438480 has 40 divisors (see below), whose sum is σ = 4453857792. Its totient is φ = 763695744.

The previous prime is 1912438469. The next prime is 1912438529. The reversal of 1912438480 is 848342191.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 28869 + ... + 68251.

Almost surely, 2^1912438480 is an apocalyptic number.

1912438480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1912438480 is an abundant number, since it is smaller than the sum of its proper divisors (2541419312).

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

1912438480 is a wasteful number, since it uses less digits than its factorization.

1912438480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40003 (or 39997 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1912438480 is about 43731.4358328194. The cubic root of 1912438480 is about 1241.2592306930.

The spelling of 1912438480 in words is "one billion, nine hundred twelve million, four hundred thirty-eight thousand, four hundred eighty".