1654365540 has 96 divisors (see below), whose sum is σ = 4924571904. Its totient is φ = 413532160.

The previous prime is 1654365529. The next prime is 1654365563. The reversal of 1654365540 is 455634561.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258985 + ... + 265295.

It is an arithmetic number, because the mean of its divisors is an integer number (51297624).

Almost surely, 2^1654365540 is an apocalyptic number.

1654365540 is a gapful number since it is divisible by the number (10) 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 1654365540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2462285952).

1654365540 is an abundant number, since it is smaller than the sum of its proper divisors (3270206364).

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

1654365540 is a wasteful number, since it uses less digits than its factorization.

1654365540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597 (or 6595 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 1654365540 is about 40673.8926093877. The cubic root of 1654365540 is about 1182.7069759741.

The spelling of 1654365540 in words is "one billion, six hundred fifty-four million, three hundred sixty-five thousand, five hundred forty".