416249690 has 8 divisors (see below), whose sum is σ = 749249460. Its totient is φ = 166499872.

The previous prime is 416249689. The next prime is 416249711. The reversal of 416249690 is 96942614.

It can be written as a sum of positive squares in 2 ways, for example, as 398042401 + 18207289 = 19951^2 + 4267^2 .

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

It is a super-2 number, since 2×416249690² = 346527608850192200, which contains 22 as substring.

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, 20812475 + ... + 20812494.

Almost surely, 2^416249690 is an apocalyptic number.

416249690 is a deficient number, since it is larger than the sum of its proper divisors (332999770).

416249690 is a wasteful number, since it uses less digits than its factorization.

416249690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41624976.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 416249690 is about 20402.1981658840. The cubic root of 416249690 is about 746.6515557724.

The spelling of 416249690 in words is "four hundred sixteen million, two hundred forty-nine thousand, six hundred ninety".