30042653644 has 24 divisors (see below), whose sum is σ = 54032239520. Its totient is φ = 14605422336.

The previous prime is 30042653603. The next prime is 30042653653. The reversal of 30042653644 is 44635624003.

It is a happy number.

It is a super-2 number, since 2×30042653644² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 152209 + ... + 288535.

Almost surely, 2^30042653644 is an apocalyptic number.

It is an amenable number.

30042653644 is a deficient number, since it is larger than the sum of its proper divisors (23989585876).

30042653644 is a wasteful number, since it uses less digits than its factorization.

30042653644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137857 (or 137855 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 30042653644 in words is "thirty billion, forty-two million, six hundred fifty-three thousand, six hundred forty-four".