49945108464 has 80 divisors (see below), whose sum is σ = 145324900000. Its totient is φ = 16420299264.

The previous prime is 49945108463. The next prime is 49945108471. The reversal of 49945108464 is 46480154994.

49945108464 is a `hidden beast` number, since 49 + 9 + 4 + 510 + 84 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 49945108464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49945108463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760339 + ... + 823410.

It is an arithmetic number, because the mean of its divisors is an integer number (1816561250).

Almost surely, 2^49945108464 is an apocalyptic number.

It is an amenable number.

49945108464 is an abundant number, since it is smaller than the sum of its proper divisors (95379791536).

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

49945108464 is a wasteful number, since it uses less digits than its factorization.

49945108464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583839 (or 1583827 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 49945108464 in words is "forty-nine billion, nine hundred forty-five million, one hundred eight thousand, four hundred sixty-four".