49903650720 has 768 divisors, whose sum is σ = 220932956160. Its totient is φ = 10218700800.

The previous prime is 49903650707. The next prime is 49903650721. The reversal of 49903650720 is 2705630994.

It is a happy number.

49903650720 is a `hidden beast` number, since 4 + 9 + 90 + 36 + 507 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49903650721) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23616384 + ... + 23618496.

It is an arithmetic number, because the mean of its divisors is an integer number (287673120).

Almost surely, 2^49903650720 is an apocalyptic number.

49903650720 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 49903650720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110466478080).

49903650720 is an abundant number, since it is smaller than the sum of its proper divisors (171029305440).

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

49903650720 is a wasteful number, since it uses less digits than its factorization.

49903650720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 49903650720 in words is "forty-nine billion, nine hundred three million, six hundred fifty thousand, seven hundred twenty".