509455094 has 16 divisors (see below), whose sum is σ = 824024880. Its totient is φ = 235434240.

The previous prime is 509455081. The next prime is 509455127. The reversal of 509455094 is 490554905.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 161939 + ... + 165054.

It is an arithmetic number, because the mean of its divisors is an integer number (51501555).

Almost surely, 2^509455094 is an apocalyptic number.

509455094 is a deficient number, since it is larger than the sum of its proper divisors (314569786).

509455094 is a wasteful number, since it uses less digits than its factorization.

509455094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327055.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 509455094 is about 22571.1119353921. Note that the first 3 decimals coincide. The cubic root of 509455094 is about 798.6723259459.

The spelling of 509455094 in words is "five hundred nine million, four hundred fifty-five thousand, ninety-four".