6403243550112 has 144 divisors (see below), whose sum is σ = 19444778196480. Its totient is φ = 1994336064000.

The previous prime is 6403243550089. The next prime is 6403243550129. The reversal of 6403243550112 is 2110553423046.

6403243550112 is a `hidden beast` number, since 6 + 403 + 243 + 5 + 5 + 0 + 1 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12106764 + ... + 12624587.

It is an arithmetic number, because the mean of its divisors is an integer number (135033181920).

Almost surely, 2^{6403243550112} is an apocalyptic number.

6403243550112 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6403243550112 is an abundant number, since it is smaller than the sum of its proper divisors (13041534646368).

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

6403243550112 is a wasteful number, since it uses less digits than its factorization.

6403243550112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24731427 (or 24731416 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 6403243550112 its reverse (2110553423046), we get a palindrome (8513796973158).

The spelling of 6403243550112 in words is "six trillion, four hundred three billion, two hundred forty-three million, five hundred fifty thousand, one hundred twelve".