1000455424 has 18 divisors (see below), whose sum is σ = 1997003330. Its totient is φ = 500227584.

The previous prime is 1000455409. The next prime is 1000455433. The reversal of 1000455424 is 4245540001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 615040000 + 385415424 = 24800^2 + 19632^2 .

It is a super-2 number, since 2×1000455424² = 2001822110822039552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1953759 + ... + 1954270.

Almost surely, 2^1000455424 is an apocalyptic number.

It is an amenable number.

1000455424 is a deficient number, since it is larger than the sum of its proper divisors (996547906).

1000455424 is an frugal number, since it uses more digits than its factorization.

1000455424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908045 (or 3908031 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1000455424 is about 31629.9766677119. The cubic root of 1000455424 is about 1000.1517849602.

Adding to 1000455424 its reverse (4245540001), we get a palindrome (5245995425).

The spelling of 1000455424 in words is "one billion, four hundred fifty-five thousand, four hundred twenty-four".