549782546040 has 1440 divisors, whose sum is σ = 2406366610560. Its totient is φ = 112086374400.

The previous prime is 549782545997. The next prime is 549782546143. The reversal of 549782546040 is 40645287945.

549782546040 is a `hidden beast` number, since 5 + 4 + 9 + 7 + 8 + 25 + 4 + 604 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 831743310 + ... + 831743970.

It is an arithmetic number, because the mean of its divisors is an integer number (1671087924).

Almost surely, 2^549782546040 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 549782546040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203183305280).

549782546040 is an abundant number, since it is smaller than the sum of its proper divisors (1856584064520).

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

549782546040 is a wasteful number, since it uses less digits than its factorization.

549782546040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 549782546040 in words is "five hundred forty-nine billion, seven hundred eighty-two million, five hundred forty-six thousand, forty".