1002046401 has 6 divisors (see below), whose sum is σ = 1447400370. Its totient is φ = 668030928.

The previous prime is 1002046373. The next prime is 1002046403. The reversal of 1002046401 is 1046402001.

1002046401 is a `hidden beast` number, since 1 + 0 + 0 + 20 + 4 + 640 + 1 = 666.

1002046401 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 only one way, i.e., 546437376 + 455609025 = 23376^2 + 21345^2 .

It is not a de Polignac number, because 1002046401 - 2⁵ = 1002046369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002046403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55669236 + ... + 55669253.

It is an arithmetic number, because the mean of its divisors is an integer number (241233395).

Almost surely, 2^1002046401 is an apocalyptic number.

It is an amenable number.

1002046401 is a deficient number, since it is larger than the sum of its proper divisors (445353969).

1002046401 is a wasteful number, since it uses less digits than its factorization.

1002046401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111338495 (or 111338492 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1002046401 is about 31655.1165058668. The cubic root of 1002046401 is about 1000.6816688886.

Adding to 1002046401 its reverse (1046402001), we get a palindrome (2048448402).

Subtracting 1002046401 from its reverse (1046402001), we obtain a square (44355600 = 6660²).

The spelling of 1002046401 in words is "one billion, two million, forty-six thousand, four hundred one".