215276530742 has 16 divisors (see below), whose sum is σ = 397433595552. Its totient is φ = 85164341760.

The previous prime is 215276530717. The next prime is 215276530837. The reversal of 215276530742 is 247035672512.

It is a super-3 number, since 3×215276530742³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 215276530693 and 215276530702.

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, 591418859 + ... + 591419222.

It is an arithmetic number, because the mean of its divisors is an integer number (24839599722).

Almost surely, 2^215276530742 is an apocalyptic number.

215276530742 is a deficient number, since it is larger than the sum of its proper divisors (182157064810).

215276530742 is a wasteful number, since it uses less digits than its factorization.

215276530742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182838103.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 215276530742 in words is "two hundred fifteen billion, two hundred seventy-six million, five hundred thirty thousand, seven hundred forty-two".