940802690 has 8 divisors (see below), whose sum is σ = 1693444860. Its totient is φ = 376321072.

The previous prime is 940802669. The next prime is 940802693. The reversal of 940802690 is 96208049.

It can be written as a sum of positive squares in 2 ways, for example, as 900060001 + 40742689 = 30001^2 + 6383^2 .

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

It is a super-2 number, since 2×940802690² = 1770219403022472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (940802693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47040125 + ... + 47040144.

Almost surely, 2^940802690 is an apocalyptic number.

940802690 is a deficient number, since it is larger than the sum of its proper divisors (752642170).

940802690 is a wasteful number, since it uses less digits than its factorization.

940802690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94080276.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 940802690 is about 30672.5070706651. The cubic root of 940802690 is about 979.8648605825.

The spelling of 940802690 in words is "nine hundred forty million, eight hundred two thousand, six hundred ninety".