18280269854 has 32 divisors (see below), whose sum is σ = 35985772800. Its totient is φ = 6747330240.

The previous prime is 18280269827. The next prime is 18280269863. The reversal of 18280269854 is 45896208281.

It is a super-2 number, since 2×18280269854² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18280269796 and 18280269805.

It is a congruent number.

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, 3120839 + ... + 3126690.

It is an arithmetic number, because the mean of its divisors is an integer number (1124555400).

Almost surely, 2^18280269854 is an apocalyptic number.

18280269854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18280269854 is a deficient number, since it is larger than the sum of its proper divisors (17705502946).

18280269854 is a wasteful number, since it uses less digits than its factorization.

18280269854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247568.

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 18280269854 in words is "eighteen billion, two hundred eighty million, two hundred sixty-nine thousand, eight hundred fifty-four".