27293299542 has 16 divisors (see below), whose sum is σ = 60651776880. Its totient is φ = 9097766496.

The previous prime is 27293299529. The next prime is 27293299567. The reversal of 27293299542 is 24599239272.

27293299542 is a `hidden beast` number, since 2 + 7 + 2 + 9 + 3 + 2 + 99 + 542 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 505431473 = 27293299542 / (2 + 7 + 2 + 9 + 3 + 2 + 9 + 9 + 5 + 4 + 2).

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, 252715683 + ... + 252715790.

It is an arithmetic number, because the mean of its divisors is an integer number (3790736055).

Almost surely, 2^27293299542 is an apocalyptic number.

27293299542 is an abundant number, since it is smaller than the sum of its proper divisors (33358477338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27293299542 is a wasteful number, since it uses less digits than its factorization.

27293299542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505431484 (or 505431478 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 27293299542 in words is "twenty-seven billion, two hundred ninety-three million, two hundred ninety-nine thousand, five hundred forty-two".