3346940499840 has 576 divisors, whose sum is σ = 13633765348320. Its totient is φ = 754235596800.

The previous prime is 3346940499829. The next prime is 3346940499857. The reversal of 3346940499840 is 489940496433.

3346940499840 is a `hidden beast` number, since 3 + 3 + 4 + 69 + 4 + 0 + 499 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×3346940499840² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19955530 + ... + 20122550.

Almost surely, 2^{3346940499840} is an apocalyptic number.

3346940499840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3346940499840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6816882674160).

3346940499840 is an abundant number, since it is smaller than the sum of its proper divisors (10286824848480).

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

3346940499840 is a wasteful number, since it uses less digits than its factorization.

3346940499840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167131 (or 167109 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 63.

The spelling of 3346940499840 in words is "three trillion, three hundred forty-six billion, nine hundred forty million, four hundred ninety-nine thousand, eight hundred forty".