147869642250 has 768 divisors, whose sum is σ = 496746432000. Its totient is φ = 31269888000.

The previous prime is 147869642243. The next prime is 147869642279. The reversal of 147869642250 is 52246968741.

147869642250 is a `hidden beast` number, since 1 + 4 + 7 + 86 + 96 + 422 + 50 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 423695076 + ... + 423695424.

It is an arithmetic number, because the mean of its divisors is an integer number (646805250).

Almost surely, 2^147869642250 is an apocalyptic number.

147869642250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147869642250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248373216000).

147869642250 is an abundant number, since it is smaller than the sum of its proper divisors (348876789750).

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

147869642250 is a wasteful number, since it uses less digits than its factorization.

147869642250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 459 counting only the distinct ones).

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

The spelling of 147869642250 in words is "one hundred forty-seven billion, eight hundred sixty-nine million, six hundred forty-two thousand, two hundred fifty".