49189925954944 has 128 divisors (see below), whose sum is σ = 100805147805600. Its totient is φ = 23895028531200.

The previous prime is 49189925954921. The next prime is 49189925954957. The reversal of 49189925954944 is 44945952998194.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (82).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259936064 + ... + 1259975104.

Almost surely, 2^{49189925954944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49189925954944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50402573902800).

49189925954944 is an abundant number, since it is smaller than the sum of its proper divisors (51615221850656).

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

49189925954944 is a wasteful number, since it uses less digits than its factorization.

49189925954944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40092 (or 40080 counting only the distinct ones).

The product of its digits is 6046617600, while the sum is 82.

The spelling of 49189925954944 in words is "forty-nine trillion, one hundred eighty-nine billion, nine hundred twenty-five million, nine hundred fifty-four thousand, nine hundred forty-four".