905040650 has 24 divisors (see below), whose sum is σ = 1684790604. Its totient is φ = 361712000.

The previous prime is 905040637. The next prime is 905040673. The reversal of 905040650 is 56040509.

It can be written as a sum of positive squares in 6 ways, for example, as 102961609 + 802079041 = 10147^2 + 28321^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

905040650 is a modest number, since divided by 40650 gives 9050 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58094 + ... + 72006.

Almost surely, 2^905040650 is an apocalyptic number.

905040650 is a deficient number, since it is larger than the sum of its proper divisors (779749954).

905040650 is a wasteful number, since it uses less digits than its factorization.

905040650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15226 (or 15221 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 905040650 is about 30083.8935312569. The cubic root of 905040650 is about 967.2885092591.

The spelling of 905040650 in words is "nine hundred five million, forty thousand, six hundred fifty".