1346272040 has 16 divisors (see below), whose sum is σ = 3029112180. Its totient is φ = 538508800.

The previous prime is 1346272033. The next prime is 1346272063. The reversal of 1346272040 is 402726431.

It can be written as a sum of positive squares in 2 ways, for example, as 1225140004 + 121132036 = 35002^2 + 11006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1346271994 and 1346272012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16828361 + ... + 16828440.

Almost surely, 2^1346272040 is an apocalyptic number.

1346272040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346272040 is an abundant number, since it is smaller than the sum of its proper divisors (1682840140).

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

1346272040 is a wasteful number, since it uses less digits than its factorization.

1346272040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33656812 (or 33656808 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1346272040 is about 36691.5799605305. The cubic root of 1346272040 is about 1104.1911841587.

Adding to 1346272040 its reverse (402726431), we get a palindrome (1748998471).

The spelling of 1346272040 in words is "one billion, three hundred forty-six million, two hundred seventy-two thousand, forty".