49403934720 has 960 divisors, whose sum is σ = 207013847040. Its totient is φ = 11036196864.

The previous prime is 49403934677. The next prime is 49403934731. The reversal of 49403934720 is 2743930494.

49403934720 is a `hidden beast` number, since 4 + 94 + 0 + 3 + 93 + 472 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 389007297 + ... + 389007423.

It is an arithmetic number, because the mean of its divisors is an integer number (215639424).

Almost surely, 2^49403934720 is an apocalyptic number.

49403934720 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 49403934720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103506923520).

49403934720 is an abundant number, since it is smaller than the sum of its proper divisors (157609912320).

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

49403934720 is a wasteful number, since it uses less digits than its factorization.

49403934720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 49403934720 in words is "forty-nine billion, four hundred three million, nine hundred thirty-four thousand, seven hundred twenty".