1654742544 has 360 divisors, whose sum is σ = 5649763392. Its totient is φ = 415134720.

The previous prime is 1654742533. The next prime is 1654742561. The reversal of 1654742544 is 4452474561.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1654742496 and 1654742505.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9142134 + ... + 9142314.

Almost surely, 2^1654742544 is an apocalyptic number.

1654742544 is a gapful number since it is divisible by the number (14) 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 1654742544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2824881696).

1654742544 is an abundant number, since it is smaller than the sum of its proper divisors (3995020848).

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

1654742544 is a wasteful number, since it uses less digits than its factorization.

1654742544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 229 counting only the distinct ones).

The product of its digits is 537600, while the sum is 42.

The square root of 1654742544 is about 40678.5268169829. The cubic root of 1654742544 is about 1182.7968092837.

The spelling of 1654742544 in words is "one billion, six hundred fifty-four million, seven hundred forty-two thousand, five hundred forty-four".