49711933440 has 384 divisors, whose sum is σ = 190317254400. Its totient is φ = 12235898880.

The previous prime is 49711933391. The next prime is 49711933559. The reversal of 49711933440 is 4433911794.

49711933440 is a `hidden beast` number, since 4 + 97 + 119 + 3 + 3 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3587325 + ... + 3601155.

It is an arithmetic number, because the mean of its divisors is an integer number (495617850).

Almost surely, 2^49711933440 is an apocalyptic number.

49711933440 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 49711933440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95158627200).

49711933440 is an abundant number, since it is smaller than the sum of its proper divisors (140605320960).

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

49711933440 is a wasteful number, since it uses less digits than its factorization.

49711933440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880 (or 13854 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 49711933440 in words is "forty-nine billion, seven hundred eleven million, nine hundred thirty-three thousand, four hundred forty".