4990354656 has 96 divisors (see below), whose sum is σ = 15038650368. Its totient is φ = 1419379200.

The previous prime is 4990354631. The next prime is 4990354661. The reversal of 4990354656 is 6564530994.

4990354656 is a nontrivial binomial coefficient, being equal to C(99904, 2).

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 4990354599 and 4990354608.

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, 133206 + ... + 166506.

It is an arithmetic number, because the mean of its divisors is an integer number (156652608).

Almost surely, 2^4990354656 is an apocalyptic number.

4990354656 is the 99903-rd triangular number and also the 49952-nd hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4990354656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7519325184).

4990354656 is an abundant number, since it is smaller than the sum of its proper divisors (10048295712).

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

4990354656 is a wasteful number, since it uses less digits than its factorization.

4990354656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33544 (or 33536 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 51.

The square root of 4990354656 is about 70642.4423133855. The cubic root of 4990354656 is about 1708.8756851305.

The spelling of 4990354656 in words is "four billion, nine hundred ninety million, three hundred fifty-four thousand, six hundred fifty-six".