496534666440 has 64 divisors (see below), whose sum is σ = 1490421772800. Its totient is φ = 132336553472.

The previous prime is 496534666429. The next prime is 496534666547. The reversal of 496534666440 is 44666435694.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916125 + ... + 1353644.

It is an arithmetic number, because the mean of its divisors is an integer number (23287840200).

Almost surely, 2^496534666440 is an apocalyptic number.

496534666440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

496534666440 is an abundant number, since it is smaller than the sum of its proper divisors (993887106360).

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

496534666440 is a wasteful number, since it uses less digits than its factorization.

496534666440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271606 (or 2271602 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 57.

The spelling of 496534666440 in words is "four hundred ninety-six billion, five hundred thirty-four million, six hundred sixty-six thousand, four hundred forty".