30040400433 has 16 divisors (see below), whose sum is σ = 43615828800. Its totient is φ = 18318646080.

The previous prime is 30040400359. The next prime is 30040400437. The reversal of 30040400433 is 33400404003.

It is not a de Polignac number, because 30040400433 - 2²² = 30036206129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30040400437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9084978 + ... + 9088283.

It is an arithmetic number, because the mean of its divisors is an integer number (2725989300).

Almost surely, 2^30040400433 is an apocalyptic number.

It is an amenable number.

30040400433 is a deficient number, since it is larger than the sum of its proper divisors (13575428367).

30040400433 is a wasteful number, since it uses less digits than its factorization.

30040400433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18173312.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 30040400433 its reverse (33400404003), we get a palindrome (63440804436).

The spelling of 30040400433 in words is "thirty billion, forty million, four hundred thousand, four hundred thirty-three".