45551420024 has 64 divisors (see below), whose sum is σ = 94551256800. Its totient is φ = 20401113600.

The previous prime is 45551420017. The next prime is 45551420039. The reversal of 45551420024 is 42002415554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723034 + ... + 1749270.

Almost surely, 2^45551420024 is an apocalyptic number.

45551420024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45551420024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47275628400).

45551420024 is an abundant number, since it is smaller than the sum of its proper divisors (48999836776).

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

45551420024 is a wasteful number, since it uses less digits than its factorization.

45551420024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26544 (or 26540 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 45551420024 its reverse (42002415554), we get a palindrome (87553835578).

The spelling of 45551420024 in words is "forty-five billion, five hundred fifty-one million, four hundred twenty thousand, twenty-four".