18901130340 has 48 divisors (see below), whose sum is σ = 52964630208. Its totient is φ = 5036352384.

The previous prime is 18901130321. The next prime is 18901130359. The reversal of 18901130340 is 4303110981.

It is an interprime number because it is at equal distance from previous prime (18901130321) and next prime (18901130359).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 18901130298 and 18901130307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45787 + ... + 199746.

It is an arithmetic number, because the mean of its divisors is an integer number (1103429796).

Almost surely, 2^18901130340 is an apocalyptic number.

18901130340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18901130340 is an abundant number, since it is smaller than the sum of its proper divisors (34063499868).

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

18901130340 is a wasteful number, since it uses less digits than its factorization.

18901130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246828 (or 246826 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 18901130340 in words is "eighteen billion, nine hundred one million, one hundred thirty thousand, three hundred forty".