667233302540 has 96 divisors (see below), whose sum is σ = 1609665404928. Its totient is φ = 227580192000.

The previous prime is 667233302513. The next prime is 667233302557. The reversal of 667233302540 is 45203332766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100166810 + ... + 100173470.

It is an arithmetic number, because the mean of its divisors is an integer number (16767347968).

Almost surely, 2^667233302540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667233302540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804832702464).

667233302540 is an abundant number, since it is smaller than the sum of its proper divisors (942432102388).

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

667233302540 is a wasteful number, since it uses less digits than its factorization.

667233302540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10279 (or 10277 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 41.

The spelling of 667233302540 in words is "six hundred sixty-seven billion, two hundred thirty-three million, three hundred two thousand, five hundred forty".