18425857270 has 16 divisors (see below), whose sum is σ = 33168713328. Its totient is φ = 7369860640.

The previous prime is 18425857193. The next prime is 18425857271. The reversal of 18425857270 is 7275852481.

It is a happy number.

It is a super-2 number, since 2×18425857270² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18425857271) 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, 128265 + ... + 230875.

It is an arithmetic number, because the mean of its divisors is an integer number (2073044583).

Almost surely, 2^18425857270 is an apocalyptic number.

18425857270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18425857270 is a deficient number, since it is larger than the sum of its proper divisors (14742856058).

18425857270 is a wasteful number, since it uses less digits than its factorization.

18425857270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120575.

The product of its (nonzero) digits is 1254400, while the sum is 49.

The spelling of 18425857270 in words is "eighteen billion, four hundred twenty-five million, eight hundred fifty-seven thousand, two hundred seventy".