45440131152 has 80 divisors (see below), whose sum is σ = 126775510848. Its totient is φ = 13941903360.

The previous prime is 45440131151. The next prime is 45440131157. The reversal of 45440131152 is 25113104454.

It is a super-2 number, since 2×45440131152² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45440131151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117127 + ... + 323417.

Almost surely, 2^45440131152 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 45440131152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63387755424).

45440131152 is an abundant number, since it is smaller than the sum of its proper divisors (81335379696).

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

45440131152 is a wasteful number, since it uses less digits than its factorization.

45440131152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206668 (or 206662 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 45440131152 in words is "forty-five billion, four hundred forty million, one hundred thirty-one thousand, one hundred fifty-two".