6362403840 has 792 divisors, whose sum is σ = 25712612640. Its totient is φ = 1449197568.

The previous prime is 6362403781. The next prime is 6362403847. The reversal of 6362403840 is 483042636.

It is a happy number.

6362403840 is a `hidden beast` number, since 6 + 36 + 240 + 384 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6362403795 and 6362403804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6362403847) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 147962859 + ... + 147962901.

It is an arithmetic number, because the mean of its divisors is an integer number (32465420).

Almost surely, 2^6362403840 is an apocalyptic number.

6362403840 is a gapful number since it is divisible by the number (60) 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 6362403840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12856306320).

6362403840 is an abundant number, since it is smaller than the sum of its proper divisors (19350208800).

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

6362403840 is a wasteful number, since it uses less digits than its factorization.

6362403840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 6362403840 is about 79764.6778969238. The cubic root of 6362403840 is about 1852.9928513231.

The spelling of 6362403840 in words is "six billion, three hundred sixty-two million, four hundred three thousand, eight hundred forty".