402000274 has 16 divisors (see below), whose sum is σ = 649755288. Its totient is φ = 185432832.

The previous prime is 402000251. The next prime is 402000293. The reversal of 402000274 is 472000204.

It can be written as a sum of positive squares in 4 ways, for example, as 264290049 + 137710225 = 16257^2 + 11735^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59644 + ... + 66040.

Almost surely, 2^402000274 is an apocalyptic number.

402000274 is a deficient number, since it is larger than the sum of its proper divisors (247755014).

402000274 is a wasteful number, since it uses less digits than its factorization.

402000274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 402000274 is about 20049.9444887012. The cubic root of 402000274 is about 738.0324368887.

Adding to 402000274 its reverse (472000204), we get a palindrome (874000478).

The spelling of 402000274 in words is "four hundred two million, two hundred seventy-four", and thus it is an aban number.