401600755 has 4 divisors (see below), whose sum is σ = 481920912. Its totient is φ = 321280600.

The previous prime is 401600711. The next prime is 401600767. The reversal of 401600755 is 557006104.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-401600755 is a prime.

It is a super-2 number, since 2×401600755² = 322566332833140050, which contains 22 as substring.

It is a Duffinian number.

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, 40160071 + ... + 40160080.

It is an arithmetic number, because the mean of its divisors is an integer number (120480228).

Almost surely, 2^401600755 is an apocalyptic number.

401600755 is a deficient number, since it is larger than the sum of its proper divisors (80320157).

401600755 is an equidigital number, since it uses as much as digits as its factorization.

401600755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80320156.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 401600755 is about 20039.9789171546. The cubic root of 401600755 is about 737.7878634945.

Adding to 401600755 its reverse (557006104), we get a palindrome (958606859).

It can be divided in two parts, 401 and 600755, that added together give a triangular number (601156 = T₁₀₉₆).

The spelling of 401600755 in words is "four hundred one million, six hundred thousand, seven hundred fifty-five".