3511998456 has 64 divisors (see below), whose sum is σ = 9283814400. Its totient is φ = 1104046848.

The previous prime is 3511998439. The next prime is 3511998461. The reversal of 3511998456 is 6548991153.

It is a junction number, because it is equal to n+sod(n) for n = 3511998399 and 3511998408.

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, 84420 + ... + 118956.

It is an arithmetic number, because the mean of its divisors is an integer number (145059600).

Almost surely, 2^3511998456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3511998456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4641907200).

3511998456 is an abundant number, since it is smaller than the sum of its proper divisors (5771815944).

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

3511998456 is a wasteful number, since it uses less digits than its factorization.

3511998456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34788 (or 34784 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 51.

The square root of 3511998456 is about 59262.1165332458. The cubic root of 3511998456 is about 1520.0274775735.

The spelling of 3511998456 in words is "three billion, five hundred eleven million, nine hundred ninety-eight thousand, four hundred fifty-six".