1346841840 has 40 divisors (see below), whose sum is σ = 4175210448. Its totient is φ = 359157760.

The previous prime is 1346841833. The next prime is 1346841863. The reversal of 1346841840 is 481486431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2805681 + ... + 2806160.

Almost surely, 2^1346841840 is an apocalyptic number.

1346841840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346841840 is an abundant number, since it is smaller than the sum of its proper divisors (2828368608).

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

1346841840 is a wasteful number, since it uses less digits than its factorization.

1346841840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611857 (or 5611851 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 1346841840 is about 36699.3438633445. The cubic root of 1346841840 is about 1104.3469425234.

The spelling of 1346841840 in words is "one billion, three hundred forty-six million, eight hundred forty-one thousand, eight hundred forty".