15200252450 has 12 divisors (see below), whose sum is σ = 28272469650. Its totient is φ = 6080100960.

The previous prime is 15200252437. The next prime is 15200252471. The reversal of 15200252450 is 5425200251.

It can be written as a sum of positive squares in 3 ways, for example, as 7010545441 + 8189707009 = 83729^2 + 90497^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152002475 + ... + 152002574.

Almost surely, 2^15200252450 is an apocalyptic number.

15200252450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15200252450 is a deficient number, since it is larger than the sum of its proper divisors (13072217200).

15200252450 is a wasteful number, since it uses less digits than its factorization.

15200252450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304005061 (or 304005056 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 15200252450 in words is "fifteen billion, two hundred million, two hundred fifty-two thousand, four hundred fifty".