6078397440 has 176 divisors, whose sum is σ = 19895660928. Its totient is φ = 1583038464.

The previous prime is 6078397439. The next prime is 6078397463. The reversal of 6078397440 is 447938706.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6078397440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655879 + ... + 665081.

It is an arithmetic number, because the mean of its divisors is an integer number (113043528).

Almost surely, 2^6078397440 is an apocalyptic number.

6078397440 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 6078397440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9947830464).

6078397440 is an abundant number, since it is smaller than the sum of its proper divisors (13817263488).

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

6078397440 is a wasteful number, since it uses less digits than its factorization.

6078397440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274 (or 9256 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 6078397440 is about 77964.0778820605. The cubic root of 6078397440 is about 1825.0006820539. Note that the first 3 decimals are identical.

The spelling of 6078397440 in words is "six billion, seventy-eight million, three hundred ninety-seven thousand, four hundred forty".