427540118 has 4 divisors (see below), whose sum is σ = 641310180. Its totient is φ = 213770058.

The previous prime is 427540117. The next prime is 427540121. The reversal of 427540118 is 811045724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427540117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106885028 + ... + 106885031.

It is an arithmetic number, because the mean of its divisors is an integer number (160327545).

Almost surely, 2^427540118 is an apocalyptic number.

427540118 is a deficient number, since it is larger than the sum of its proper divisors (213770062).

427540118 is a wasteful number, since it uses less digits than its factorization.

427540118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213770061.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 427540118 is about 20677.0432605825. The cubic root of 427540118 is about 753.3421911838.

The spelling of 427540118 in words is "four hundred twenty-seven million, five hundred forty thousand, one hundred eighteen".