49090217148 has 36 divisors (see below), whose sum is σ = 141816183600. Its totient is φ = 14025776256.

The previous prime is 49090217131. The next prime is 49090217149. The reversal of 49090217148 is 84171209094.

It is a happy number.

49090217148 is a `hidden beast` number, since 490 + 9 + 0 + 2 + 17 + 148 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49090217149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97400973 + ... + 97401476.

Almost surely, 2^49090217148 is an apocalyptic number.

It is an amenable number.

49090217148 is an abundant number, since it is smaller than the sum of its proper divisors (92725966452).

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

49090217148 is a wasteful number, since it uses less digits than its factorization.

49090217148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194802466 (or 194802461 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 49090217148 in words is "forty-nine billion, ninety million, two hundred seventeen thousand, one hundred forty-eight".