4406702690 has 32 divisors (see below), whose sum is σ = 8596672560. Its totient is φ = 1616719104.

The previous prime is 4406702579. The next prime is 4406702693. The reversal of 4406702690 is 962076044.

It is a Cunningham number, because it is equal to 66383²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 6901129 + 4399801561 = 2627^2 + 66331^2 .

It is a super-2 number, since 2×4406702690² = 38838057196106472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4406702693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87545 + ... + 128364.

Almost surely, 2^4406702690 is an apocalyptic number.

4406702690 is a deficient number, since it is larger than the sum of its proper divisors (4189969870).

4406702690 is a wasteful number, since it uses less digits than its factorization.

4406702690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216086.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 4406702690 is about 66383.0000075320. Note that the first 5 decimals coincide. The cubic root of 4406702690 is about 1639.4741882155.

The spelling of 4406702690 in words is "four billion, four hundred six million, seven hundred two thousand, six hundred ninety".