49145142810 has 128 divisors (see below), whose sum is σ = 121090235904. Its totient is φ = 12762014720.

The previous prime is 49145142799. The next prime is 49145142841. The reversal of 49145142810 is 1824154194.

It is a super-2 number, since 2×49145142810² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72592192 + ... + 72592868.

It is an arithmetic number, because the mean of its divisors is an integer number (946017468).

Almost surely, 2^49145142810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49145142810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60545117952).

49145142810 is an abundant number, since it is smaller than the sum of its proper divisors (71945093094).

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

49145142810 is a wasteful number, since it uses less digits than its factorization.

49145142810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 49145142810 in words is "forty-nine billion, one hundred forty-five million, one hundred forty-two thousand, eight hundred ten".