30640421446 has 8 divisors (see below), whose sum is σ = 46083852144. Its totient is φ = 15279137400.

The previous prime is 30640421429. The next prime is 30640421489. The reversal of 30640421446 is 64412404603.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20535730 + ... + 20537221.

It is an arithmetic number, because the mean of its divisors is an integer number (5760481518).

Almost surely, 2^30640421446 is an apocalyptic number.

30640421446 is a deficient number, since it is larger than the sum of its proper divisors (15443430698).

30640421446 is a wasteful number, since it uses less digits than its factorization.

30640421446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41073326.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 30640421446 in words is "thirty billion, six hundred forty million, four hundred twenty-one thousand, four hundred forty-six".