3351409947440 has 80 divisors (see below), whose sum is σ = 7844165128800. Its totient is φ = 1331621677056.

The previous prime is 3351409947437. The next prime is 3351409947443. The reversal of 3351409947440 is 447499041533.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3351409947437) and next prime (3351409947443).

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

It is a super-2 number, since 2×3351409947440² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3351409947443) 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, 7595606 + ... + 8024714.

It is an arithmetic number, because the mean of its divisors is an integer number (98052064110).

Almost surely, 2^{3351409947440} is an apocalyptic number.

It is an amenable number.

3351409947440 is an abundant number, since it is smaller than the sum of its proper divisors (4492755181360).

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

3351409947440 is a wasteful number, since it uses less digits than its factorization.

3351409947440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429774 (or 429768 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 3351409947440 in words is "three trillion, three hundred fifty-one billion, four hundred nine million, nine hundred forty-seven thousand, four hundred forty".