850433740 has 96 divisors (see below), whose sum is σ = 2036192256. Its totient is φ = 295975680.

The previous prime is 850433737. The next prime is 850433743. The reversal of 850433740 is 47334058.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (850433737) and next prime (850433743).

It is a super-2 number, since 2×850433740² = 1446475092260775200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 850433696 and 850433705.

It is not an unprimeable number, because it can be changed into a prime (850433743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423579 + ... + 425581.

It is an arithmetic number, because the mean of its divisors is an integer number (21210336).

Almost surely, 2^850433740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850433740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018096128).

850433740 is an abundant number, since it is smaller than the sum of its proper divisors (1185758516).

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

850433740 is a wasteful number, since it uses less digits than its factorization.

850433740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 850433740 is about 29162.1971051565. The cubic root of 850433740 is about 947.4293345423.

Adding to 850433740 its reverse (47334058), we get a palindrome (897767798).

The spelling of 850433740 in words is "eight hundred fifty million, four hundred thirty-three thousand, seven hundred forty".