4005401024 has 28 divisors (see below), whose sum is σ = 7957331304. Its totient is φ = 2000404224.

The previous prime is 4005401009. The next prime is 4005401083. The reversal of 4005401024 is 4201045004.

It is a junction number, because it is equal to n+sod(n) for n = 4005400987 and 4005401005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21074 + ... + 91950.

Almost surely, 2^4005401024 is an apocalyptic number.

It is an amenable number.

4005401024 is a deficient number, since it is larger than the sum of its proper divisors (3951930280).

4005401024 is an equidigital number, since it uses as much as digits as its factorization.

4005401024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71772 (or 71762 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4005401024 is about 63288.2376433410. The cubic root of 4005401024 is about 1588.1151965702.

Adding to 4005401024 its reverse (4201045004), we get a palindrome (8206446028).

The spelling of 4005401024 in words is "four billion, five million, four hundred one thousand, twenty-four".