49802122490 has 32 divisors (see below), whose sum is σ = 90685792080. Its totient is φ = 19689472000.

The previous prime is 49802122481. The next prime is 49802122499. The reversal of 49802122490 is 9422120894.

It is an interprime number because it is at equal distance from previous prime (49802122481) and next prime (49802122499).

It can be written as a sum of positive squares in 8 ways, for example, as 27806563009 + 21995559481 = 166753^2 + 148309^2 .

It is not an unprimeable number, because it can be changed into a prime (49802122499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2697290 + ... + 2715690.

Almost surely, 2^49802122490 is an apocalyptic number.

49802122490 is a deficient number, since it is larger than the sum of its proper divisors (40883669590).

49802122490 is a wasteful number, since it uses less digits than its factorization.

49802122490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21538.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 49802122490 in words is "forty-nine billion, eight hundred two million, one hundred twenty-two thousand, four hundred ninety".