667232870340 has 48 divisors (see below), whose sum is σ = 1918745341632. Its totient is φ = 173119879296.

The previous prime is 667232870333. The next prime is 667232870347. The reversal of 667232870340 is 43078232766.

It is an interprime number because it is at equal distance from previous prime (667232870333) and next prime (667232870347).

It is a self number, because there is not a number n which added to its sum of digits gives 667232870340.

It is not an unprimeable number, because it can be changed into a prime (667232870347) 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, 150275454 + ... + 150279893.

It is an arithmetic number, because the mean of its divisors is an integer number (39973861284).

Almost surely, 2^667232870340 is an apocalyptic number.

667232870340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

667232870340 is an abundant number, since it is smaller than the sum of its proper divisors (1251512471292).

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

667232870340 is a wasteful number, since it uses less digits than its factorization.

667232870340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300555396 (or 300555394 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 667232870340 in words is "six hundred sixty-seven billion, two hundred thirty-two million, eight hundred seventy thousand, three hundred forty".