44515403142 has 64 divisors (see below), whose sum is σ = 107791119360. Its totient is φ = 11964266496.

The previous prime is 44515403113. The next prime is 44515403147. The reversal of 44515403142 is 24130451544.

It is a happy number.

It is a super-2 number, since 2×44515403142² (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 (44515403147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1440558 + ... + 1471134.

It is an arithmetic number, because the mean of its divisors is an integer number (1684236240).

Almost surely, 2^44515403142 is an apocalyptic number.

44515403142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

44515403142 is an abundant number, since it is smaller than the sum of its proper divisors (63275716218).

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

44515403142 is a wasteful number, since it uses less digits than its factorization.

44515403142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32645.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 44515403142 its reverse (24130451544), we get a palindrome (68645854686).

The spelling of 44515403142 in words is "forty-four billion, five hundred fifteen million, four hundred three thousand, one hundred forty-two".