49484649101840 has 40 divisors (see below), whose sum is σ = 115052148434520. Its totient is φ = 19793801271296.

The previous prime is 49484649101837. The next prime is 49484649101983. The reversal of 49484649101840 is 4810194648494.

It can be written as a sum of positive squares in 4 ways, for example, as 8556233410816 + 40928415691024 = 2925104^2 + 6397532^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35333666 + ... + 36707454.

It is an arithmetic number, because the mean of its divisors is an integer number (2876303710863).

Almost surely, 2^{49484649101840} is an apocalyptic number.

49484649101840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49484649101840 is an abundant number, since it is smaller than the sum of its proper divisors (65567499332680).

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

49484649101840 is a wasteful number, since it uses less digits than its factorization.

49484649101840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824059 (or 1824053 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 62.

The spelling of 49484649101840 in words is "forty-nine trillion, four hundred eighty-four billion, six hundred forty-nine million, one hundred one thousand, eight hundred forty".