400103450 has 12 divisors (see below), whose sum is σ = 744192510. Its totient is φ = 160041360.

The previous prime is 400103441. The next prime is 400103471. The reversal of 400103450 is 54301004.

It can be written as a sum of positive squares in 3 ways, for example, as 345476569 + 54626881 = 18587^2 + 7391^2 .

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, 4000985 + ... + 4001084.

Almost surely, 2^400103450 is an apocalyptic number.

400103450 is a deficient number, since it is larger than the sum of its proper divisors (344089060).

400103450 is a wasteful number, since it uses less digits than its factorization.

400103450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002081 (or 8002076 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 400103450 is about 20002.5860828044. The cubic root of 400103450 is about 736.8698130961.

Adding to 400103450 its reverse (54301004), we get a palindrome (454404454).

The spelling of 400103450 in words is "four hundred million, one hundred three thousand, four hundred fifty".