494624557 has 16 divisors (see below), whose sum is σ = 569773440. Its totient is φ = 420614208.

The previous prime is 494624527. The next prime is 494624579. The reversal of 494624557 is 755426494.

It is not a de Polignac number, because 494624557 - 2¹¹ = 494622509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494624527) 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, 653023 + ... + 653779.

It is an arithmetic number, because the mean of its divisors is an integer number (35610840).

Almost surely, 2^494624557 is an apocalyptic number.

It is an amenable number.

494624557 is a deficient number, since it is larger than the sum of its proper divisors (75148883).

494624557 is a wasteful number, since it uses less digits than its factorization.

494624557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its digits is 1209600, while the sum is 46.

The square root of 494624557 is about 22240.1564068241. The cubic root of 494624557 is about 790.8459436914.

The spelling of 494624557 in words is "four hundred ninety-four million, six hundred twenty-four thousand, five hundred fifty-seven".