49193523840 has 128 divisors (see below), whose sum is σ = 160140913920. Its totient is φ = 12839137280.

The previous prime is 49193523829. The next prime is 49193523857. The reversal of 49193523840 is 4832539194.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 49193523840.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182331 + ... + 362810.

It is an arithmetic number, because the mean of its divisors is an integer number (1251100890).

Almost surely, 2^49193523840 is an apocalyptic number.

49193523840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49193523840 is an abundant number, since it is smaller than the sum of its proper divisors (110947390080).

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

49193523840 is a wasteful number, since it uses less digits than its factorization.

49193523840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545210 (or 545198 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 49193523840 in words is "forty-nine billion, one hundred ninety-three million, five hundred twenty-three thousand, eight hundred forty".