334721490642 has 384 divisors, whose sum is σ = 951916492800. Its totient is φ = 85632422400.

The previous prime is 334721490637. The next prime is 334721490683. The reversal of 334721490642 is 246094127433.

334721490642 is a `hidden beast` number, since 3 + 34 + 72 + 1 + 490 + 64 + 2 = 666.

It is a super-2 number, since 2×334721490642² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1191179542 + ... + 1191179822.

It is an arithmetic number, because the mean of its divisors is an integer number (2478949200).

Almost surely, 2^334721490642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 334721490642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475958246400).

334721490642 is an abundant number, since it is smaller than the sum of its proper divisors (617195002158).

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

334721490642 is a wasteful number, since it uses less digits than its factorization.

334721490642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 334721490642 in words is "three hundred thirty-four billion, seven hundred twenty-one million, four hundred ninety thousand, six hundred forty-two".