740400003668 has 12 divisors (see below), whose sum is σ = 1395369237780. Its totient is φ = 341723078592.

The previous prime is 740400003667. The next prime is 740400003709. The reversal of 740400003668 is 866300004047.

It is a happy number.

740400003668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 159606642064 + 580793361604 = 399508^2 + 762098^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740400003667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7119230753 + ... + 7119230856.

It is an arithmetic number, because the mean of its divisors is an integer number (116280769815).

Almost surely, 2^740400003668 is an apocalyptic number.

It is an amenable number.

740400003668 is a deficient number, since it is larger than the sum of its proper divisors (654969234112).

740400003668 is a wasteful number, since it uses less digits than its factorization.

740400003668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14238461626 (or 14238461624 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 740400003668 in words is "seven hundred forty billion, four hundred million, three thousand, six hundred sixty-eight".