49545187618122 has 96 divisors (see below), whose sum is σ = 129909108700800. Its totient is φ = 13322140176384.

The previous prime is 49545187618117. The next prime is 49545187618127. The reversal of 49545187618122 is 22181678154594.

49545187618122 is a `hidden beast` number, since 4 + 9 + 5 + 4 + 5 + 1 + 8 + 7 + 618 + 1 + 2 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (49545187618117) and next prime (49545187618127).

It is a super-2 number, since 2×49545187618122² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 49545187618122.

It is not an unprimeable number, because it can be changed into a prime (49545187618127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29973529 + ... + 31583267.

It is an arithmetic number, because the mean of its divisors is an integer number (1353219882300).

Almost surely, 2^{49545187618122} is an apocalyptic number.

49545187618122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

49545187618122 is an abundant number, since it is smaller than the sum of its proper divisors (80363921082678).

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

49545187618122 is a wasteful number, since it uses less digits than its factorization.

49545187618122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624140 (or 1624137 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 63.

The spelling of 49545187618122 in words is "forty-nine trillion, five hundred forty-five billion, one hundred eighty-seven million, six hundred eighteen thousand, one hundred twenty-two".