6791157450 has 864 divisors, whose sum is σ = 25840721088. Its totient is φ = 1306368000.

The previous prime is 6791157449. The next prime is 6791157469. The reversal of 6791157450 is 547511976.

6791157450 is a `hidden beast` number, since 6 + 79 + 1 + 1 + 574 + 5 + 0 = 666.

It is a super-2 number, since 2×6791157450² = 92239639021381005000, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 6791157396 and 6791157405.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 111330420 + ... + 111330480.

It is an arithmetic number, because the mean of its divisors is an integer number (29908242).

Almost surely, 2^6791157450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6791157450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12920360544).

6791157450 is an abundant number, since it is smaller than the sum of its proper divisors (19049563638).

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

6791157450 is a wasteful number, since it uses less digits than its factorization.

6791157450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The square root of 6791157450 is about 82408.4792360592. The cubic root of 6791157450 is about 1893.7149155347.

The spelling of 6791157450 in words is "six billion, seven hundred ninety-one million, one hundred fifty-seven thousand, four hundred fifty".