540628045 has 8 divisors (see below), whose sum is σ = 655442424. Its totient is φ = 428043264.

The previous prime is 540628031. The next prime is 540628079. The reversal of 540628045 is 540826045.

It can be written as a sum of positive squares in 4 ways, for example, as 19044 + 540609001 = 138^2 + 23251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540628045 - 2¹¹ = 540625997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540628045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556864 + ... + 557833.

It is an arithmetic number, because the mean of its divisors is an integer number (81930303).

Almost surely, 2^540628045 is an apocalyptic number.

It is an amenable number.

540628045 is a deficient number, since it is larger than the sum of its proper divisors (114814379).

540628045 is a wasteful number, since it uses less digits than its factorization.

540628045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114799.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 540628045 is about 23251.4095271663. The cubic root of 540628045 is about 814.6408620021.

The spelling of 540628045 in words is "five hundred forty million, six hundred twenty-eight thousand, forty-five".