842057700 has 144 divisors (see below), whose sum is σ = 2683369920. Its totient is φ = 202176000.

The previous prime is 842057663. The next prime is 842057731. The reversal of 842057700 is 7750248.

It is a super-2 number, since 2×842057700² = 1418122340258580000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358530 + ... + 360870.

Almost surely, 2^842057700 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 842057700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341684960).

842057700 is an abundant number, since it is smaller than the sum of its proper divisors (1841312220).

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

842057700 is a wasteful number, since it uses less digits than its factorization.

842057700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 842057700 is about 29018.2304767193. The cubic root of 842057700 is about 944.3086121710.

The spelling of 842057700 in words is "eight hundred forty-two million, fifty-seven thousand, seven hundred".