27453457450 has 12 divisors (see below), whose sum is σ = 51063430950. Its totient is φ = 10981382960.

The previous prime is 27453457417. The next prime is 27453457453. The reversal of 27453457450 is 5475435472.

It can be written as a sum of positive squares in 3 ways, for example, as 24993396649 + 2460060801 = 158093^2 + 49599^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27453457450.

It is not an unprimeable number, because it can be changed into a prime (27453457453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274534525 + ... + 274534624.

Almost surely, 2^27453457450 is an apocalyptic number.

27453457450 is a deficient number, since it is larger than the sum of its proper divisors (23609973500).

27453457450 is a wasteful number, since it uses less digits than its factorization.

27453457450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549069161 (or 549069156 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 46.

The spelling of 27453457450 in words is "twenty-seven billion, four hundred fifty-three million, four hundred fifty-seven thousand, four hundred fifty".