1336651212640 has 48 divisors (see below), whose sum is σ = 3343593701952. Its totient is φ = 503209867264.

The previous prime is 1336651212629. The next prime is 1336651212671. The reversal of 1336651212640 is 462121566331.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1336651212593 and 1336651212602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245705224 + ... + 245710663.

It is an arithmetic number, because the mean of its divisors is an integer number (69658202124).

Almost surely, 2^{1336651212640} is an apocalyptic number.

1336651212640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1336651212640 is an abundant number, since it is smaller than the sum of its proper divisors (2006942489312).

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

1336651212640 is a wasteful number, since it uses less digits than its factorization.

1336651212640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491415919 (or 491415911 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

Adding to 1336651212640 its reverse (462121566331), we get a palindrome (1798772778971).

The spelling of 1336651212640 in words is "one trillion, three hundred thirty-six billion, six hundred fifty-one million, two hundred twelve thousand, six hundred forty".