30400615445 has 8 divisors (see below), whose sum is σ = 37078783800. Its totient is φ = 23921795520.

The previous prime is 30400615439. The next prime is 30400615463. The reversal of 30400615445 is 54451600403.

It can be written as a sum of positive squares in 4 ways, for example, as 1499935441 + 28900680004 = 38729^2 + 170002^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-30400615445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49836770 + ... + 49837379.

It is an arithmetic number, because the mean of its divisors is an integer number (4634847975).

Almost surely, 2^30400615445 is an apocalyptic number.

It is an amenable number.

30400615445 is a deficient number, since it is larger than the sum of its proper divisors (6678168355).

30400615445 is an equidigital number, since it uses as much as digits as its factorization.

30400615445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99674215.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 30400615445 in words is "thirty billion, four hundred million, six hundred fifteen thousand, four hundred forty-five".