30400340372 has 24 divisors (see below), whose sum is σ = 56335378176. Its totient is φ = 14304687488.

The previous prime is 30400340359. The next prime is 30400340401. The reversal of 30400340372 is 27304300403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353143 + ... + 1375425.

It is an arithmetic number, because the mean of its divisors is an integer number (2347307424).

Almost surely, 2^30400340372 is an apocalyptic number.

It is an amenable number.

30400340372 is a deficient number, since it is larger than the sum of its proper divisors (25935037804).

30400340372 is a wasteful number, since it uses less digits than its factorization.

30400340372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42367 (or 42365 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 26.

Adding to 30400340372 its reverse (27304300403), we get a palindrome (57704640775).

The spelling of 30400340372 in words is "thirty billion, four hundred million, three hundred forty thousand, three hundred seventy-two".