540231648 has 48 divisors (see below), whose sum is σ = 1547030016. Its totient is φ = 163706240.

The previous prime is 540231647. The next prime is 540231649. The reversal of 540231648 is 846132045.

It is an interprime number because it is at equal distance from previous prime (540231647) and next prime (540231649).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540231647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254736 + ... + 256847.

It is an arithmetic number, because the mean of its divisors is an integer number (32229792).

Almost surely, 2^540231648 is an apocalyptic number.

It is an amenable number.

540231648 is an abundant number, since it is smaller than the sum of its proper divisors (1006798368).

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

540231648 is a wasteful number, since it uses less digits than its factorization.

540231648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511607 (or 511599 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 540231648 is about 23242.8838141914. The cubic root of 540231648 is about 814.4417108157.

The spelling of 540231648 in words is "five hundred forty million, two hundred thirty-one thousand, six hundred forty-eight".