940478450 has 18 divisors (see below), whose sum is σ = 1749693351. Its totient is φ = 376104640.

The previous prime is 940478449. The next prime is 940478509. The reversal of 940478450 is 54874049.

It can be written as a sum of positive squares in 5 ways, for example, as 1117249 + 939361201 = 1057^2 + 30649^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=21685.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 940478398 and 940478407.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 214682 + ... + 219018.

Almost surely, 2^940478450 is an apocalyptic number.

940478450 is a deficient number, since it is larger than the sum of its proper divisors (809214901).

940478450 is an frugal number, since it uses more digits than its factorization.

940478450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8686 (or 4344 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 940478450 is about 30667.2211000606. The cubic root of 940478450 is about 979.7522801617.

The spelling of 940478450 in words is "nine hundred forty million, four hundred seventy-eight thousand, four hundred fifty".