27453040043 has 16 divisors (see below), whose sum is σ = 32322562272. Its totient is φ = 22987488000.

The previous prime is 27453040033. The next prime is 27453040073. The reversal of 27453040043 is 34004035472.

It is a cyclic number.

It is not a de Polignac number, because 27453040043 - 2¹⁴ = 27453023659 is a prime.

It is a super-2 number, since 2×27453040043² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27453039991 and 27453040009.

It is not an unprimeable number, because it can be changed into a prime (27453040033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142298 + ... + 274143.

It is an arithmetic number, because the mean of its divisors is an integer number (2020160142).

Almost surely, 2^27453040043 is an apocalyptic number.

27453040043 is a deficient number, since it is larger than the sum of its proper divisors (4869522229).

27453040043 is a wasteful number, since it uses less digits than its factorization.

27453040043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416926.

The product of its (nonzero) digits is 40320, while the sum is 32.

The spelling of 27453040043 in words is "twenty-seven billion, four hundred fifty-three million, forty thousand, forty-three".