49380657980 has 24 divisors (see below), whose sum is σ = 105012035520. Its totient is φ = 19502233920.

The previous prime is 49380657971. The next prime is 49380658003. The reversal of 49380657980 is 8975608394.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15625211 + ... + 15628370.

It is an arithmetic number, because the mean of its divisors is an integer number (4375501480).

Almost surely, 2^49380657980 is an apocalyptic number.

It is an amenable number.

49380657980 is an abundant number, since it is smaller than the sum of its proper divisors (55631377540).

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

49380657980 is a wasteful number, since it uses less digits than its factorization.

49380657980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31253669 (or 31253667 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 49380657980 in words is "forty-nine billion, three hundred eighty million, six hundred fifty-seven thousand, nine hundred eighty".