5540344451 has 4 divisors (see below), whose sum is σ = 5540801112. Its totient is φ = 5539887792.

The previous prime is 5540344379. The next prime is 5540344457. The reversal of 5540344451 is 1544430455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5540344451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5540344457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209621 + ... + 234566.

It is an arithmetic number, because the mean of its divisors is an integer number (1385200278).

Almost surely, 2^5540344451 is an apocalyptic number.

5540344451 is a deficient number, since it is larger than the sum of its proper divisors (456661).

5540344451 is a wasteful number, since it uses less digits than its factorization.

5540344451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456660.

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 5540344451 is about 74433.4901170165. The cubic root of 5540344451 is about 1769.4797167430.

The spelling of 5540344451 in words is "five billion, five hundred forty million, three hundred forty-four thousand, four hundred fifty-one".