4001401232 has 20 divisors (see below), whose sum is σ = 7941806796. Its totient is φ = 1951902720.

The previous prime is 4001401219. The next prime is 4001401253. The reversal of 4001401232 is 2321041004.

It can be written as a sum of positive squares in 2 ways, for example, as 228493456 + 3772907776 = 15116^2 + 61424^2 .

It is a super-2 number, since 2×4001401232² = 32022423638902235648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4001401232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3049193 + ... + 3050504.

Almost surely, 2^4001401232 is an apocalyptic number.

It is an amenable number.

4001401232 is a deficient number, since it is larger than the sum of its proper divisors (3940405564).

4001401232 is a wasteful number, since it uses less digits than its factorization.

4001401232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099746 (or 6099740 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4001401232 is about 63256.6299450105. The cubic root of 4001401232 is about 1587.5863900906.

Adding to 4001401232 its reverse (2321041004), we get a palindrome (6322442236).

The spelling of 4001401232 in words is "four billion, one million, four hundred one thousand, two hundred thirty-two".