50451840000 has 660 divisors, whose sum is σ = 192036684840. Its totient is φ = 12718080000.

The previous prime is 50451839993. The next prime is 50451840007. The reversal of 50451840000 is 4815405.

It is an interprime number because it is at equal distance from previous prime (50451839993) and next prime (50451840007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50451840007) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 109439770 + ... + 109440230.

It is an arithmetic number, because the mean of its divisors is an integer number (290964674).

Almost surely, 2^50451840000 is an apocalyptic number.

50451840000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50451840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96018342420).

50451840000 is an abundant number, since it is smaller than the sum of its proper divisors (141584844840).

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

50451840000 is a wasteful number, since it uses less digits than its factorization.

50451840000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 50451840000 in words is "fifty billion, four hundred fifty-one million, eight hundred forty thousand".