5011401906 has 128 divisors (see below), whose sum is σ = 13178142720. Its totient is φ = 1381406400.

The previous prime is 5011401887. The next prime is 5011401907. The reversal of 5011401906 is 6091041105.

5011401906 is a `hidden beast` number, since 501 + 140 + 19 + 0 + 6 = 666.

It is a super-2 number, since 2×5011401906² = 50228298126920865672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 5011401906.

It is not an unprimeable number, because it can be changed into a prime (5011401907) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7581216 + ... + 7581876.

It is an arithmetic number, because the mean of its divisors is an integer number (102954240).

Almost surely, 2^5011401906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5011401906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6589071360).

5011401906 is an abundant number, since it is smaller than the sum of its proper divisors (8166740814).

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

5011401906 is a wasteful number, since it uses less digits than its factorization.

5011401906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 5011401906 is about 70791.2558583332. The cubic root of 5011401906 is about 1711.2747589145.

The spelling of 5011401906 in words is "five billion, eleven million, four hundred one thousand, nine hundred six".