1918467480 has 64 divisors (see below), whose sum is σ = 5759676000. Its totient is φ = 511211520.

The previous prime is 1918467469. The next prime is 1918467517. The reversal of 1918467480 is 847648191.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180720 + ... + 191040.

Almost surely, 2^1918467480 is an apocalyptic number.

1918467480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1918467480 is an abundant number, since it is smaller than the sum of its proper divisors (3841208520).

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

1918467480 is a wasteful number, since it uses less digits than its factorization.

1918467480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11884 (or 11880 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1918467480 is about 43800.3136975068. The cubic root of 1918467480 is about 1242.5622271396.

The spelling of 1918467480 in words is "one billion, nine hundred eighteen million, four hundred sixty-seven thousand, four hundred eighty".