9402813840 has 480 divisors, whose sum is σ = 35622720000. Its totient is φ = 2042966016.

The previous prime is 9402813809. The next prime is 9402813853. The reversal of 9402813840 is 483182049.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26941986 + ... + 26942334.

It is an arithmetic number, because the mean of its divisors is an integer number (74214000).

Almost surely, 2^9402813840 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 9402813840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17811360000).

9402813840 is an abundant number, since it is smaller than the sum of its proper divisors (26219906160).

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

9402813840 is a wasteful number, since it uses less digits than its factorization.

9402813840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 9402813840 is about 96968.1073343189. The cubic root of 9402813840 is about 2110.6648579036.

Adding to 9402813840 its reverse (483182049), we get a palindrome (9885995889).

The spelling of 9402813840 in words is "nine billion, four hundred two million, eight hundred thirteen thousand, eight hundred forty".