1346253040 has 80 divisors (see below), whose sum is σ = 3497963616. Its totient is φ = 477593600.

The previous prime is 1346253017. The next prime is 1346253049. The reversal of 1346253040 is 403526431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346253049) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17424 + ... + 54736.

Almost surely, 2^1346253040 is an apocalyptic number.

1346253040 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 1346253040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748981808).

1346253040 is an abundant number, since it is smaller than the sum of its proper divisors (2151710576).

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

1346253040 is a wasteful number, since it uses less digits than its factorization.

1346253040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37378 (or 37372 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1346253040 is about 36691.3210446285. The cubic root of 1346253040 is about 1104.1859896338.

Adding to 1346253040 its reverse (403526431), we get a palindrome (1749779471).

The spelling of 1346253040 in words is "one billion, three hundred forty-six million, two hundred fifty-three thousand, forty".