49120144450 has 24 divisors (see below), whose sum is σ = 98391429108. Its totient is φ = 18136668480.

The previous prime is 49120144433. The next prime is 49120144453. The reversal of 49120144450 is 5444102194.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 291077721 + 48829066729 = 17061^2 + 220973^2 .

It is not an unprimeable number, because it can be changed into a prime (49120144453) 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, 37784077 + ... + 37785376.

Almost surely, 2^49120144450 is an apocalyptic number.

49120144450 is an abundant number, since it is smaller than the sum of its proper divisors (49271284658).

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

49120144450 is a wasteful number, since it uses less digits than its factorization.

49120144450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75569478 (or 75569473 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 49120144450 in words is "forty-nine billion, one hundred twenty million, one hundred forty-four thousand, four hundred fifty".