540402098 has 8 divisors (see below), whose sum is σ = 825897708. Its totient is φ = 265102864.

The previous prime is 540402097. The next prime is 540402133. The reversal of 540402098 is 890204045.

It can be written as a sum of positive squares in 2 ways, for example, as 538100809 + 2301289 = 23197^2 + 1517^2 .

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

It is not an unprimeable number, because it can be changed into a prime (540402097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548961 + ... + 2549172.

Almost surely, 2^540402098 is an apocalyptic number.

540402098 is a deficient number, since it is larger than the sum of its proper divisors (285495610).

540402098 is a wasteful number, since it uses less digits than its factorization.

540402098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098188.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 540402098 is about 23246.5502386913. The cubic root of 540402098 is about 814.5273574038.

The spelling of 540402098 in words is "five hundred forty million, four hundred two thousand, ninety-eight".