540645456 has 160 divisors (see below), whose sum is σ = 1635450880. Its totient is φ = 152409600.

The previous prime is 540645439. The next prime is 540645491. The reversal of 540645456 is 654546045.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 366801 + ... + 368271.

It is an arithmetic number, because the mean of its divisors is an integer number (10221568).

Almost surely, 2^540645456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540645456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817725440).

540645456 is an abundant number, since it is smaller than the sum of its proper divisors (1094805424).

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

540645456 is a wasteful number, since it uses less digits than its factorization.

540645456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 540645456 is about 23251.7839315610. The cubic root of 540645456 is about 814.6496071149.

The spelling of 540645456 in words is "five hundred forty million, six hundred forty-five thousand, four hundred fifty-six".