3356421240 has 64 divisors (see below), whose sum is σ = 10074132000. Its totient is φ = 894612992.

The previous prime is 3356421223. The next prime is 3356421247. The reversal of 3356421240 is 421246533.

It is a super-2 number, since 2×3356421240² = 22531127080646275200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3356421198 and 3356421207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3356421247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300394 + ... + 311366.

Almost surely, 2^3356421240 is an apocalyptic number.

3356421240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3356421240 is an abundant number, since it is smaller than the sum of its proper divisors (6717710760).

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

3356421240 is a wasteful number, since it uses less digits than its factorization.

3356421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13536 (or 13532 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 3356421240 is about 57934.6290227184. The cubic root of 3356421240 is about 1497.2425251055.

Adding to 3356421240 its reverse (421246533), we get a palindrome (3777667773).

The spelling of 3356421240 in words is "three billion, three hundred fifty-six million, four hundred twenty-one thousand, two hundred forty".