334809987456 has 128 divisors (see below), whose sum is σ = 1049174415360. Its totient is φ = 92574167040.

The previous prime is 334809987443. The next prime is 334809987467. The reversal of 334809987456 is 654789908433.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×334809987456² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925661 + ... + 2092316.

It is an arithmetic number, because the mean of its divisors is an integer number (8196675120).

Almost surely, 2^334809987456 is an apocalyptic number.

It is an amenable number.

334809987456 is an abundant number, since it is smaller than the sum of its proper divisors (714364427904).

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

334809987456 is a wasteful number, since it uses less digits than its factorization.

334809987456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018032 (or 4018020 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 334809987456 in words is "three hundred thirty-four billion, eight hundred nine million, nine hundred eighty-seven thousand, four hundred fifty-six".