49545045090 has 64 divisors (see below), whose sum is σ = 132364725120. Its totient is φ = 13187551680.

The previous prime is 49545045083. The next prime is 49545045097. The reversal of 49545045090 is 9054054594.

49545045090 is a `hidden beast` number, since 4 + 9 + 5 + 4 + 504 + 50 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (49545045083) and next prime (49545045097).

It is a super-2 number, since 2×49545045090² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49545045097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23524 + ... + 315663.

It is an arithmetic number, because the mean of its divisors is an integer number (2068198830).

Almost surely, 2^49545045090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49545045090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66182362560).

49545045090 is an abundant number, since it is smaller than the sum of its proper divisors (82819680030).

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

49545045090 is a wasteful number, since it uses less digits than its factorization.

49545045090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339744 (or 339738 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

It can be divided in two parts, 4954504 and 5090, that added together give a palindrome (4959594).

The spelling of 49545045090 in words is "forty-nine billion, five hundred forty-five million, forty-five thousand, ninety".