49105387978530 has 64 divisors (see below), whose sum is σ = 126922408195968. Its totient is φ = 12087111836160.

The previous prime is 49105387978499. The next prime is 49105387978709. The reversal of 49105387978530 is 3587978350194.

It is a super-2 number, since 2×49105387978530² (a number of 28 digits) contains 22 as substring.

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, 11010150 + ... + 14813310.

It is an arithmetic number, because the mean of its divisors is an integer number (1983162628062).

Almost surely, 2^{49105387978530} is an apocalyptic number.

49105387978530 is an abundant number, since it is smaller than the sum of its proper divisors (77817020217438).

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

49105387978530 is a wasteful number, since it uses less digits than its factorization.

49105387978530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836291.

The product of its (nonzero) digits is 228614400, while the sum is 69.

The spelling of 49105387978530 in words is "forty-nine trillion, one hundred five billion, three hundred eighty-seven million, nine hundred seventy-eight thousand, five hundred thirty".