402940027 has 16 divisors (see below), whose sum is σ = 476127232. Its totient is φ = 333784800.

The previous prime is 402940019. The next prime is 402940039. The reversal of 402940027 is 720049204.

It is a cyclic number.

It is not a de Polignac number, because 402940027 - 2³ = 402940019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402939977 and 402940004.

It is not an unprimeable number, because it can be changed into a prime (402940067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33958 + ... + 44260.

It is an arithmetic number, because the mean of its divisors is an integer number (29757952).

Almost surely, 2^402940027 is an apocalyptic number.

402940027 is a deficient number, since it is larger than the sum of its proper divisors (73187205).

402940027 is a wasteful number, since it uses less digits than its factorization.

402940027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10498.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 402940027 is about 20073.3661103463. The cubic root of 402940027 is about 738.6070869513.

The spelling of 402940027 in words is "four hundred two million, nine hundred forty thousand, twenty-seven".