5640541454 has 8 divisors (see below), whose sum is σ = 8467590000. Its totient is φ = 2818011456.

The previous prime is 5640541451. The next prime is 5640541493. The reversal of 5640541454 is 4541450465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640541451) 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, 1126514 + ... + 1131509.

It is an arithmetic number, because the mean of its divisors is an integer number (1058448750).

Almost surely, 2^5640541454 is an apocalyptic number.

5640541454 is a deficient number, since it is larger than the sum of its proper divisors (2827048546).

5640541454 is a wasteful number, since it uses less digits than its factorization.

5640541454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259274.

The product of its (nonzero) digits is 192000, while the sum is 38.

The square root of 5640541454 is about 75103.5382255723. The cubic root of 5640541454 is about 1780.0830510843.

The spelling of 5640541454 in words is "five billion, six hundred forty million, five hundred forty-one thousand, four hundred fifty-four".