30400432143045 has 32 divisors (see below), whose sum is σ = 48979202764800. Its totient is φ = 16101116470080.

The previous prime is 30400432143041. The next prime is 30400432143077. The reversal of 30400432143045 is 54034123400403.

It is not a de Polignac number, because 30400432143045 - 2² = 30400432143041 is a prime.

It is a super-2 number, since 2×30400432143045² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30400432142997 and 30400432143015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400432143041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10932145 + ... + 13428054.

It is an arithmetic number, because the mean of its divisors is an integer number (1530600086400).

Almost surely, 2^{30400432143045} is an apocalyptic number.

It is an amenable number.

30400432143045 is a deficient number, since it is larger than the sum of its proper divisors (18578770621755).

30400432143045 is a wasteful number, since it uses less digits than its factorization.

30400432143045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24360785.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 30400432143045 its reverse (54034123400403), we get a palindrome (84434555543448).

The spelling of 30400432143045 in words is "thirty trillion, four hundred billion, four hundred thirty-two million, one hundred forty-three thousand, forty-five".