12355523040 has 96 divisors (see below), whose sum is σ = 44479895040. Its totient is φ = 2824118784.

The previous prime is 12355523003. The next prime is 12355523057. The reversal of 12355523040 is 4032555321.

It is a tau number, because it is divible by the number of its divisors (96).

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 = 12355522989 and 12355523007.

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, 1835260 + ... + 1841979.

It is an arithmetic number, because the mean of its divisors is an integer number (463332240).

Almost surely, 2^12355523040 is an apocalyptic number.

12355523040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12355523040 is an abundant number, since it is smaller than the sum of its proper divisors (32124372000).

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

12355523040 is a wasteful number, since it uses less digits than its factorization.

12355523040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677264 (or 3677256 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 12355523040 in words is "twelve billion, three hundred fifty-five million, five hundred twenty-three thousand, forty".