6148691280 has 240 divisors, whose sum is σ = 21838602240. Its totient is φ = 1547827200.

The previous prime is 6148691267. The next prime is 6148691281. The reversal of 6148691280 is 821968416.

6148691280 is a `hidden beast` number, since 6 + 1 + 486 + 91 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6148691281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 911761 + ... + 918479.

It is an arithmetic number, because the mean of its divisors is an integer number (90994176).

Almost surely, 2^6148691280 is an apocalyptic number.

6148691280 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 6148691280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10919301120).

6148691280 is an abundant number, since it is smaller than the sum of its proper divisors (15689910960).

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

6148691280 is a wasteful number, since it uses less digits than its factorization.

6148691280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810 (or 6801 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 6148691280 is about 78413.5911688784. The cubic root of 6148691280 is about 1832.0088305162.

The spelling of 6148691280 in words is "six billion, one hundred forty-eight million, six hundred ninety-one thousand, two hundred eighty".