49140221908 has 12 divisors (see below), whose sum is σ = 86543130772. Its totient is φ = 24413613120.

The previous prime is 49140221891. The next prime is 49140221927. The reversal of 49140221908 is 80912204194.

It can be written as a sum of positive squares in 2 ways, for example, as 8734397764 + 40405824144 = 93458^2 + 201012^2 .

It is a super-2 number, since 2×49140221908² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39123753 + ... + 39125008.

Almost surely, 2^49140221908 is an apocalyptic number.

It is an amenable number.

49140221908 is a deficient number, since it is larger than the sum of its proper divisors (37402908864).

49140221908 is a wasteful number, since it uses less digits than its factorization.

49140221908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78248922 (or 78248920 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 49140221908 in words is "forty-nine billion, one hundred forty million, two hundred twenty-one thousand, nine hundred eight".