540387926280 has 160 divisors (see below), whose sum is σ = 1818994118040. Its totient is φ = 143890007040.

The previous prime is 540387926269. The next prime is 540387926327. The reversal of 540387926280 is 82629783045.

540387926280 is a `hidden beast` number, since 5 + 4 + 0 + 3 + 8 + 7 + 9 + 2 + 628 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 540322024356 + 65901924 = 735066^2 + 8118^2 .

It is a super-2 number, since 2×540387926280² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2070300 + ... + 2316660.

Almost surely, 2^540387926280 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 540387926280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909497059020).

540387926280 is an abundant number, since it is smaller than the sum of its proper divisors (1278606191760).

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

540387926280 is a wasteful number, since it uses less digits than its factorization.

540387926280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247061 (or 247048 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 540387926280 in words is "five hundred forty billion, three hundred eighty-seven million, nine hundred twenty-six thousand, two hundred eighty".