667400007400 has 48 divisors (see below), whose sum is σ = 1773377166240. Its totient is φ = 228822859200.

The previous prime is 667400007389. The next prime is 667400007409. The reversal of 667400007400 is 4700004766.

It is not an unprimeable number, because it can be changed into a prime (667400007409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238355746 + ... + 238358545.

It is an arithmetic number, because the mean of its divisors is an integer number (36945357630).

Almost surely, 2^667400007400 is an apocalyptic number.

It is an amenable number.

667400007400 is an abundant number, since it is smaller than the sum of its proper divisors (1105977158840).

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

667400007400 is a wasteful number, since it uses less digits than its factorization.

667400007400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476714314 (or 476714305 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 667400007400 in words is "six hundred sixty-seven billion, four hundred million, seven thousand, four hundred".