30247515821408 has 12 divisors (see below), whose sum is σ = 59549796773460. Its totient is φ = 15123757910688.

The previous prime is 30247515821381. The next prime is 30247515821431. The reversal of 30247515821408 is 80412851574203.

It is a super-2 number, since 2×30247515821408² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472617434678 + ... + 472617434741.

It is an arithmetic number, because the mean of its divisors is an integer number (4962483064455).

Almost surely, 2^{30247515821408} is an apocalyptic number.

It is an amenable number.

30247515821408 is a deficient number, since it is larger than the sum of its proper divisors (29302280952052).

30247515821408 is an equidigital number, since it uses as much as digits as its factorization.

30247515821408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945234869429 (or 945234869421 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 30247515821408 in words is "thirty trillion, two hundred forty-seven billion, five hundred fifteen million, eight hundred twenty-one thousand, four hundred eight".