416878402 has 4 divisors (see below), whose sum is σ = 625317606. Its totient is φ = 208439200.

The previous prime is 416878361. The next prime is 416878433. The reversal of 416878402 is 204878614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204878614 = 2 ⋅102439307.

It can be written as a sum of positive squares in only one way, i.e., 285981921 + 130896481 = 16911^2 + 11441^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 104219599 + ... + 104219602.

Almost surely, 2^416878402 is an apocalyptic number.

416878402 is a deficient number, since it is larger than the sum of its proper divisors (208439204).

416878402 is a wasteful number, since it uses less digits than its factorization.

416878402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208439203.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 416878402 is about 20417.6002997414. The cubic root of 416878402 is about 747.0272858989.

The spelling of 416878402 in words is "four hundred sixteen million, eight hundred seventy-eight thousand, four hundred two".