4998551040 has 320 divisors, whose sum is σ = 20293701120. Its totient is φ = 1142415360.

The previous prime is 4998551009. The next prime is 4998551059. The reversal of 4998551040 is 401558994.

4998551040 is a `hidden beast` number, since 4 + 9 + 98 + 5 + 510 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478675 + ... + 489005.

It is an arithmetic number, because the mean of its divisors is an integer number (63417816).

Almost surely, 2^4998551040 is an apocalyptic number.

4998551040 is a gapful number since it is divisible by the number (40) 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 4998551040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10146850560).

4998551040 is an abundant number, since it is smaller than the sum of its proper divisors (15295150080).

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

4998551040 is a wasteful number, since it uses less digits than its factorization.

4998551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370 (or 10348 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 4998551040 is about 70700.4316818504. The cubic root of 4998551040 is about 1709.8107516018.

It can be divided in two parts, 49985 and 51040, that added together give a triangular number (101025 = T₄₄₉).

The spelling of 4998551040 in words is "four billion, nine hundred ninety-eight million, five hundred fifty-one thousand, forty".