247026264540 has 96 divisors (see below), whose sum is σ = 760060917504. Its totient is φ = 59448015360.

The previous prime is 247026264523. The next prime is 247026264547. The reversal of 247026264540 is 45462620742.

It is a super-2 number, since 2×247026264540² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247026264492 and 247026264501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247026264547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1275574 + ... + 1456413.

It is an arithmetic number, because the mean of its divisors is an integer number (7917301224).

Almost surely, 2^247026264540 is an apocalyptic number.

247026264540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247026264540 is an abundant number, since it is smaller than the sum of its proper divisors (513034652964).

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

247026264540 is a wasteful number, since it uses less digits than its factorization.

247026264540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732147 (or 2732145 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

It can be divided in two parts, 247026 and 264540, that added together give a triangular number (511566 = T₁₀₁₁).

The spelling of 247026264540 in words is "two hundred forty-seven billion, twenty-six million, two hundred sixty-four thousand, five hundred forty".