1356794880 has 176 divisors, whose sum is σ = 4959962880. Its totient is φ = 310099968.

The previous prime is 1356794869. The next prime is 1356794897. The reversal of 1356794880 is 884976531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101211 + ... + 113829.

Almost surely, 2^1356794880 is an apocalyptic number.

1356794880 is a gapful number since it is divisible by the number (10) 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 1356794880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479981440).

1356794880 is an abundant number, since it is smaller than the sum of its proper divisors (3603168000).

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

1356794880 is a wasteful number, since it uses less digits than its factorization.

1356794880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12654 (or 12636 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 1356794880 is about 36834.6966866839. The cubic root of 1356794880 is about 1107.0606103830.

The spelling of 1356794880 in words is "one billion, three hundred fifty-six million, seven hundred ninety-four thousand, eight hundred eighty".