30440515450400 has 72 divisors (see below), whose sum is σ = 81068627307024. Its totient is φ = 11069278342400.

The previous prime is 30440515450399. The next prime is 30440515450403. The reversal of 30440515450400 is 405451504403.

It is a super-2 number, since 2×30440515450400² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30440515450403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1729565942 + ... + 1729583541.

It is an arithmetic number, because the mean of its divisors is an integer number (1125953157042).

Almost surely, 2^{30440515450400} is an apocalyptic number.

It is an amenable number.

30440515450400 is an abundant number, since it is smaller than the sum of its proper divisors (50628111856624).

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

30440515450400 is a wasteful number, since it uses less digits than its factorization.

30440515450400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459149514 (or 3459149501 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 30440515450400 its reverse (405451504403), we get a palindrome (30845966954803).

The spelling of 30440515450400 in words is "thirty trillion, four hundred forty billion, five hundred fifteen million, four hundred fifty thousand, four hundred".