14021502550 has 24 divisors (see below), whose sum is σ = 28450904472. Its totient is φ = 5098728000.

The previous prime is 14021502533. The next prime is 14021502617. The reversal of 14021502550 is 5520512041.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12746271 + ... + 12747370.

It is an arithmetic number, because the mean of its divisors is an integer number (1185454353).

Almost surely, 2^14021502550 is an apocalyptic number.

14021502550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14021502550 is an abundant number, since it is smaller than the sum of its proper divisors (14429401922).

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

14021502550 is a wasteful number, since it uses less digits than its factorization.

14021502550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25493664 (or 25493659 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 14021502550 in words is "fourteen billion, twenty-one million, five hundred two thousand, five hundred fifty".