49153440533640 has 64 divisors (see below), whose sum is σ = 156134458172160. Its totient is φ = 12336549780480.

The previous prime is 49153440533629. The next prime is 49153440533641. The reversal of 49153440533640 is 4633504435194.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (49153440533641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12047409856 + ... + 12047413935.

It is an arithmetic number, because the mean of its divisors is an integer number (2439600908940).

Almost surely, 2^{49153440533640} is an apocalyptic number.

49153440533640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49153440533640 is an abundant number, since it is smaller than the sum of its proper divisors (106981017638520).

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

49153440533640 is a wasteful number, since it uses less digits than its factorization.

49153440533640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24094823822 (or 24094823818 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 51.

The spelling of 49153440533640 in words is "forty-nine trillion, one hundred fifty-three billion, four hundred forty million, five hundred thirty-three thousand, six hundred forty".