49990587602 has 54 divisors (see below), whose sum is σ = 81178650063. Its totient is φ = 23084983584.

The previous prime is 49990587601. The next prime is 49990587641. The reversal of 49990587602 is 20678509994.

It can be written as a sum of positive squares in 5 ways, for example, as 25770201961 + 24220385641 = 160531^2 + 155629^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=158099.

It is a super-2 number, since 2×49990587602² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49990587601) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 318411308 + ... + 318411464.

Almost surely, 2^49990587602 is an apocalyptic number.

49990587602 is a deficient number, since it is larger than the sum of its proper divisors (31188062461).

49990587602 is an equidigital number, since it uses as much as digits as its factorization.

49990587602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 49990587602 in words is "forty-nine billion, nine hundred ninety million, five hundred eighty-seven thousand, six hundred two".