403723749431616 has 56 divisors (see below), whose sum is σ = 1068191269109760. Its totient is φ = 134573888289792.

The previous prime is 403723749431599. The next prime is 403723749431683. The reversal of 403723749431616 is 616134947327304.

It is a self number, because there is not a number n which added to its sum of digits gives 403723749431616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32543425 + ... + 43203263.

Almost surely, 2^{403723749431616} is an apocalyptic number.

It is an amenable number.

403723749431616 is an abundant number, since it is smaller than the sum of its proper divisors (664467519678144).

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

403723749431616 is a wasteful number, since it uses less digits than its factorization.

403723749431616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857111 (or 10857101 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 60.

The spelling of 403723749431616 in words is "four hundred three trillion, seven hundred twenty-three billion, seven hundred forty-nine million, four hundred thirty-one thousand, six hundred sixteen".