402250027 has 4 divisors (see below), whose sum is σ = 402434496. Its totient is φ = 402065560.

The previous prime is 402250001. The next prime is 402250049. The reversal of 402250027 is 720052204.

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

It is a cyclic number.

It is not a de Polignac number, because 402250027 - 2¹⁵ = 402217259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402250087) 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 3 ways as a sum of consecutive naturals, for example, 88924 + ... + 93337.

It is an arithmetic number, because the mean of its divisors is an integer number (100608624).

Almost surely, 2^402250027 is an apocalyptic number.

402250027 is a deficient number, since it is larger than the sum of its proper divisors (184469).

402250027 is a wasteful number, since it uses less digits than its factorization.

402250027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184468.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 402250027 is about 20056.1717932411. The cubic root of 402250027 is about 738.1852457862.

The spelling of 402250027 in words is "four hundred two million, two hundred fifty thousand, twenty-seven".