49275129540 has 96 divisors (see below), whose sum is σ = 169809696000. Its totient is φ = 10396509696.

The previous prime is 49275129521. The next prime is 49275129559. The reversal of 49275129540 is 4592157294.

It is a happy number.

49275129540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49275129521) and next prime (49275129559).

It is a super-2 number, since 2×49275129540² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49275129540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4506915 + ... + 4517834.

It is an arithmetic number, because the mean of its divisors is an integer number (1768851000).

Almost surely, 2^49275129540 is an apocalyptic number.

It is an amenable number.

49275129540 is an abundant number, since it is smaller than the sum of its proper divisors (120534566460).

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

49275129540 is a wasteful number, since it uses less digits than its factorization.

49275129540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024781 (or 9024779 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 49275129540 in words is "forty-nine billion, two hundred seventy-five million, one hundred twenty-nine thousand, five hundred forty".