2850903920 has 80 divisors (see below), whose sum is σ = 6835624992. Its totient is φ = 1105228800.

The previous prime is 2850903919. The next prime is 2850903929. The reversal of 2850903920 is 293090582.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2850903920² = 16255306322142732800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2850903929) 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, 347870 + ... + 355970.

Almost surely, 2^2850903920 is an apocalyptic number.

2850903920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2850903920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3417812496).

2850903920 is an abundant number, since it is smaller than the sum of its proper divisors (3984721072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2850903920 is a wasteful number, since it uses less digits than its factorization.

2850903920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8250 (or 8244 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 2850903920 is about 53393.8565754526. The cubic root of 2850903920 is about 1417.9498153047.

The spelling of 2850903920 in words is "two billion, eight hundred fifty million, nine hundred three thousand, nine hundred twenty".