402052771 has 8 divisors (see below), whose sum is σ = 425895840. Its totient is φ = 378231168.

The previous prime is 402052759. The next prime is 402052789. The reversal of 402052771 is 177250204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402052771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402052171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49050 + ... + 56656.

It is an arithmetic number, because the mean of its divisors is an integer number (53236980).

Almost surely, 2^402052771 is an apocalyptic number.

402052771 is a deficient number, since it is larger than the sum of its proper divisors (23843069).

402052771 is a wasteful number, since it uses less digits than its factorization.

402052771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 402052771 is about 20051.2536017078. The cubic root of 402052771 is about 738.0645619103.

The spelling of 402052771 in words is "four hundred two million, fifty-two thousand, seven hundred seventy-one".