30486121446 has 64 divisors (see below), whose sum is σ = 68433428736. Its totient is φ = 8975577600.

The previous prime is 30486121427. The next prime is 30486121469. The reversal of 30486121446 is 64412168403.

It is a super-2 number, since 2×30486121446² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275586 + ... + 370026.

It is an arithmetic number, because the mean of its divisors is an integer number (1069272324).

Almost surely, 2^30486121446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30486121446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34216714368).

30486121446 is an abundant number, since it is smaller than the sum of its proper divisors (37947307290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30486121446 is a wasteful number, since it uses less digits than its factorization.

30486121446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94597.

The product of its (nonzero) digits is 110592, while the sum is 39.

Adding to 30486121446 its reverse (64412168403), we get a palindrome (94898289849).

The spelling of 30486121446 in words is "thirty billion, four hundred eighty-six million, one hundred twenty-one thousand, four hundred forty-six".