5540158944 has 144 divisors (see below), whose sum is σ = 16378951680. Its totient is φ = 1842134400.

The previous prime is 5540158933. The next prime is 5540158963. The reversal of 5540158944 is 4498510455.

5540158944 is a `hidden beast` number, since 5 + 540 + 15 + 8 + 94 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×5540158944² = 61386722249566390272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5540158944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4812769 + ... + 4813919.

It is an arithmetic number, because the mean of its divisors is an integer number (113742720).

Almost surely, 2^5540158944 is an apocalyptic number.

5540158944 is a gapful number since it is divisible by the number (54) 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 5540158944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8189475840).

5540158944 is an abundant number, since it is smaller than the sum of its proper divisors (10838792736).

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

5540158944 is a wasteful number, since it uses less digits than its factorization.

5540158944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 5540158944 is about 74432.2439806835. The cubic root of 5540158944 is about 1769.4599673970.

The spelling of 5540158944 in words is "five billion, five hundred forty million, one hundred fifty-eight thousand, nine hundred forty-four".