400073741450 has 12 divisors (see below), whose sum is σ = 744137159190. Its totient is φ = 160029496560.

The previous prime is 400073741447. The next prime is 400073741467. The reversal of 400073741450 is 54147370004.

It can be written as a sum of positive squares in 3 ways, for example, as 361685568409 + 38388173041 = 601403^2 + 195929^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400073741450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4000737365 + ... + 4000737464.

Almost surely, 2^400073741450 is an apocalyptic number.

400073741450 is a deficient number, since it is larger than the sum of its proper divisors (344063417740).

400073741450 is a wasteful number, since it uses less digits than its factorization.

400073741450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001474841 (or 8001474836 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 400073741450 in words is "four hundred billion, seventy-three million, seven hundred forty-one thousand, four hundred fifty".