49123228796640 has 1536 divisors, whose sum is σ = 194545367654400. Its totient is φ = 11503085322240.

The previous prime is 49123228796581. The next prime is 49123228796689. The reversal of 49123228796640 is 4669782232194.

49123228796640 is a `hidden beast` number, since 4 + 91 + 2 + 322 + 87 + 96 + 64 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 60571181835 + ... + 60571182645.

It is an arithmetic number, because the mean of its divisors is an integer number (126657140400).

Almost surely, 2^{49123228796640} is an apocalyptic number.

49123228796640 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 49123228796640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97272683827200).

49123228796640 is an abundant number, since it is smaller than the sum of its proper divisors (145422138857760).

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

49123228796640 is a wasteful number, since it uses less digits than its factorization.

49123228796640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 49123228796640 in words is "forty-nine trillion, one hundred twenty-three billion, two hundred twenty-eight million, seven hundred ninety-six thousand, six hundred forty".