1336220040 has 32 divisors (see below), whose sum is σ = 4008660480. Its totient is φ = 356325312.

The previous prime is 1336220033. The next prime is 1336220051. The reversal of 1336220040 is 400226331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1336219989 and 1336220016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5567464 + ... + 5567703.

It is an arithmetic number, because the mean of its divisors is an integer number (125270640).

Almost surely, 2^1336220040 is an apocalyptic number.

1336220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1336220040 is an abundant number, since it is smaller than the sum of its proper divisors (2672440440).

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

1336220040 is a wasteful number, since it uses less digits than its factorization.

1336220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135181 (or 11135177 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1336220040 is about 36554.3436543456. The cubic root of 1336220040 is about 1101.4361517034.

Adding to 1336220040 its reverse (400226331), we get a palindrome (1736446371).

The spelling of 1336220040 in words is "one billion, three hundred thirty-six million, two hundred twenty thousand, forty".