5540049531900 has 288 divisors, whose sum is σ = 19377997714880. Its totient is φ = 1349644861440.

The previous prime is 5540049531889. The next prime is 5540049531923. The reversal of 5540049531900 is 91359400455.

5540049531900 is a `hidden beast` number, since 5 + 5 + 40 + 0 + 495 + 31 + 90 + 0 = 666.

It is a super-2 number, since 2×5540049531900² (a number of 26 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 2591112 + ... + 4218288.

Almost surely, 2^{5540049531900} is an apocalyptic number.

5540049531900 is a gapful number since it is divisible by the number (50) 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 5540049531900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9688998857440).

5540049531900 is an abundant number, since it is smaller than the sum of its proper divisors (13837948182980).

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

5540049531900 is a wasteful number, since it uses less digits than its factorization.

5540049531900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627310 (or 1627297 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 5540049531900 in words is "five trillion, five hundred forty billion, forty-nine million, five hundred thirty-one thousand, nine hundred".