540770985205 has 16 divisors (see below), whose sum is σ = 707949736704. Its totient is φ = 393270569280.

The previous prime is 540770985203. The next prime is 540770985211. The reversal of 540770985205 is 502589077045.

It is a happy number.

It is not a de Polignac number, because 540770985205 - 2¹ = 540770985203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540770985203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107979 + ... + 1519591.

It is an arithmetic number, because the mean of its divisors is an integer number (44246858544).

Almost surely, 2^540770985205 is an apocalyptic number.

540770985205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

540770985205 is a deficient number, since it is larger than the sum of its proper divisors (167178751499).

540770985205 is a wasteful number, since it uses less digits than its factorization.

540770985205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435516.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 540770985205 in words is "five hundred forty billion, seven hundred seventy million, nine hundred eighty-five thousand, two hundred five".