45440121132 has 72 divisors (see below), whose sum is σ = 131300612352. Its totient is φ = 12980008800.

The previous prime is 45440121131. The next prime is 45440121161. The reversal of 45440121132 is 23112104454.

45440121132 is a `hidden beast` number, since 4 + 5 + 440 + 1 + 211 + 3 + 2 = 666.

It is a super-2 number, since 2×45440121132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45440121096 and 45440121105.

It is not an unprimeable number, because it can be changed into a prime (45440121131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1285657 + ... + 1320527.

It is an arithmetic number, because the mean of its divisors is an integer number (1823619616).

Almost surely, 2^45440121132 is an apocalyptic number.

45440121132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45440121132 is an abundant number, since it is smaller than the sum of its proper divisors (85860491220).

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

45440121132 is a wasteful number, since it uses less digits than its factorization.

45440121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40059 (or 40054 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 45440121132 its reverse (23112104454), we get a palindrome (68552225586).

The spelling of 45440121132 in words is "forty-five billion, four hundred forty million, one hundred twenty-one thousand, one hundred thirty-two".