403428788642 has 32 divisors (see below), whose sum is σ = 666941688000. Its totient is φ = 181493224000.

The previous prime is 403428788611. The next prime is 403428788663. The reversal of 403428788642 is 246887824304.

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, 6164609 + ... + 6229707.

It is an arithmetic number, because the mean of its divisors is an integer number (20841927750).

Almost surely, 2^403428788642 is an apocalyptic number.

403428788642 is a deficient number, since it is larger than the sum of its proper divisors (263512899358).

403428788642 is a wasteful number, since it uses less digits than its factorization.

403428788642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68002.

The product of its (nonzero) digits is 16515072, while the sum is 56.

The spelling of 403428788642 in words is "four hundred three billion, four hundred twenty-eight million, seven hundred eighty-eight thousand, six hundred forty-two".