403428788641 has 8 divisors (see below), whose sum is σ = 424872464480. Its totient is φ = 382006171008.

The previous prime is 403428788611. The next prime is 403428788663. The reversal of 403428788641 is 146887824304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 403428788641 - 2⁷ = 403428788513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403428788611) 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, 5225211 + ... + 5301856.

It is an arithmetic number, because the mean of its divisors is an integer number (53109058060).

Almost surely, 2^403428788641 is an apocalyptic number.

It is an amenable number.

403428788641 is a deficient number, since it is larger than the sum of its proper divisors (21443675839).

403428788641 is a wasteful number, since it uses less digits than its factorization.

403428788641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10529103.

The product of its (nonzero) digits is 8257536, while the sum is 55.

The spelling of 403428788641 in words is "four hundred three billion, four hundred twenty-eight million, seven hundred eighty-eight thousand, six hundred forty-one".