27453145750 has 32 divisors (see below), whose sum is σ = 52587478944. Its totient is φ = 10725876000.

The previous prime is 27453145739. The next prime is 27453145763. The reversal of 27453145750 is 5754135472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 27453145697 and 27453145706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266141 + ... + 1287640.

It is an arithmetic number, because the mean of its divisors is an integer number (1643358717).

Almost surely, 2^27453145750 is an apocalyptic number.

27453145750 is a deficient number, since it is larger than the sum of its proper divisors (25134333194).

27453145750 is a wasteful number, since it uses less digits than its factorization.

27453145750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553841 (or 2553831 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 43.

The spelling of 27453145750 in words is "twenty-seven billion, four hundred fifty-three million, one hundred forty-five thousand, seven hundred fifty".