401052747 has 8 divisors (see below), whose sum is σ = 539643280. Its totient is φ = 264915360.

The previous prime is 401052737. The next prime is 401052761. The reversal of 401052747 is 747250104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401052747 - 2⁶ = 401052683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401052727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 612904 + ... + 613557.

It is an arithmetic number, because the mean of its divisors is an integer number (67455410).

Almost surely, 2^401052747 is an apocalyptic number.

401052747 is a deficient number, since it is larger than the sum of its proper divisors (138590533).

401052747 is a wasteful number, since it uses less digits than its factorization.

401052747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226573.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 401052747 is about 20026.3013809340. The cubic root of 401052747 is about 737.4521256676.

The spelling of 401052747 in words is "four hundred one million, fifty-two thousand, seven hundred forty-seven".