30644276146 has 16 divisors (see below), whose sum is σ = 50147913600. Its totient is φ = 13928456880.

The previous prime is 30644276137. The next prime is 30644276171. The reversal of 30644276146 is 64167244603.

It is a happy number.

It is a super-2 number, since 2×30644276146² (a number of 22 digits) contains 22 as substring.

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, 658375 + ... + 703381.

It is an arithmetic number, because the mean of its divisors is an integer number (3134244600).

Almost surely, 2^30644276146 is an apocalyptic number.

30644276146 is a deficient number, since it is larger than the sum of its proper divisors (19503637454).

30644276146 is a wasteful number, since it uses less digits than its factorization.

30644276146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75969.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 30644276146 in words is "thirty billion, six hundred forty-four million, two hundred seventy-six thousand, one hundred forty-six".