18472755340 has 24 divisors (see below), whose sum is σ = 41776847280. Its totient is φ = 6820709568.

The previous prime is 18472755307. The next prime is 18472755341. The reversal of 18472755340 is 4355727481.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18472755341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35524270 + ... + 35524789.

It is an arithmetic number, because the mean of its divisors is an integer number (1740701970).

Almost surely, 2^18472755340 is an apocalyptic number.

18472755340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18472755340 is an abundant number, since it is smaller than the sum of its proper divisors (23304091940).

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

18472755340 is a wasteful number, since it uses less digits than its factorization.

18472755340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71049081 (or 71049079 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 18472755340 in words is "eighteen billion, four hundred seventy-two million, seven hundred fifty-five thousand, three hundred forty".