540615630 has 64 divisors (see below), whose sum is σ = 1330380288. Its totient is φ = 140553600.

The previous prime is 540615613. The next prime is 540615631. The reversal of 540615630 is 36516045.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540615631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201679 + ... + 204341.

It is an arithmetic number, because the mean of its divisors is an integer number (20787192).

Almost surely, 2^540615630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540615630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665190144).

540615630 is an abundant number, since it is smaller than the sum of its proper divisors (789764658).

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

540615630 is a wasteful number, since it uses less digits than its factorization.

540615630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 540615630 is about 23251.1425525715. The cubic root of 540615630 is about 814.6346261413.

The spelling of 540615630 in words is "five hundred forty million, six hundred fifteen thousand, six hundred thirty".