403143825644 has 12 divisors (see below), whose sum is σ = 806287651344. Its totient is φ = 172775925264.

The previous prime is 403143825629. The next prime is 403143825649. The reversal of 403143825644 is 446528341304.

403143825644 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 403143825595 and 403143825604.

It is not an unprimeable number, because it can be changed into a prime (403143825649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7198996859 + ... + 7198996914.

It is an arithmetic number, because the mean of its divisors is an integer number (67190637612).

Almost surely, 2^403143825644 is an apocalyptic number.

It is an amenable number.

403143825644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

403143825644 is a wasteful number, since it uses less digits than its factorization.

403143825644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14397993784 (or 14397993782 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 403143825644 in words is "four hundred three billion, one hundred forty-three million, eight hundred twenty-five thousand, six hundred forty-four".