416921290 has 8 divisors (see below), whose sum is σ = 750458340. Its totient is φ = 166768512.

The previous prime is 416921279. The next prime is 416921303. The reversal of 416921290 is 92129614.

It can be written as a sum of positive squares in 2 ways, for example, as 360506169 + 56415121 = 18987^2 + 7511^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20846055 + ... + 20846074.

Almost surely, 2^416921290 is an apocalyptic number.

416921290 is a deficient number, since it is larger than the sum of its proper divisors (333537050).

416921290 is a wasteful number, since it uses less digits than its factorization.

416921290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41692136.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 416921290 is about 20418.6505430697. The cubic root of 416921290 is about 747.0529028074.

The spelling of 416921290 in words is "four hundred sixteen million, nine hundred twenty-one thousand, two hundred ninety".