15273245240 has 32 divisors (see below), whose sum is σ = 37488875760. Its totient is φ = 5553907200.

The previous prime is 15273245203. The next prime is 15273245279. The reversal of 15273245240 is 4254237251.

It is a super-2 number, since 2×15273245240² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15273245240.

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, 17355521 + ... + 17356400.

Almost surely, 2^15273245240 is an apocalyptic number.

15273245240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15273245240 is an abundant number, since it is smaller than the sum of its proper divisors (22215630520).

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

15273245240 is a wasteful number, since it uses less digits than its factorization.

15273245240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34711943 (or 34711939 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 15273245240 in words is "fifteen billion, two hundred seventy-three million, two hundred forty-five thousand, two hundred forty".