49943040000 has 520 divisors, whose sum is σ = 190379808960. Its totient is φ = 11403264000.

The previous prime is 49943039999. The next prime is 49943040023. The reversal of 49943040000 is 4034994.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53759536 + ... + 53760464.

Almost surely, 2^49943040000 is an apocalyptic number.

49943040000 is a gapful number since it is divisible by the number (40) 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 49943040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95189904480).

49943040000 is an abundant number, since it is smaller than the sum of its proper divisors (140436768960).

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

49943040000 is an frugal number, since it uses more digits than its factorization.

49943040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 49943040000 its reverse (4034994), we get a palindrome (49947074994).

The spelling of 49943040000 in words is "forty-nine billion, nine hundred forty-three million, forty thousand".