900040772 has 24 divisors (see below), whose sum is σ = 1592892000. Its totient is φ = 444945600.

The previous prime is 900040751. The next prime is 900040829. The reversal of 900040772 is 277040009.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255479 + ... + 258977.

It is an arithmetic number, because the mean of its divisors is an integer number (66370500).

Almost surely, 2^900040772 is an apocalyptic number.

It is an amenable number.

900040772 is a deficient number, since it is larger than the sum of its proper divisors (692851228).

900040772 is a wasteful number, since it uses less digits than its factorization.

900040772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4209 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 900040772 is about 30000.6795256374. The cubic root of 900040772 is about 965.5039639904.

The spelling of 900040772 in words is "nine hundred million, forty thousand, seven hundred seventy-two".