40551012224 has 64 divisors (see below), whose sum is σ = 84667140000. Its totient is φ = 19308951552.

The previous prime is 40551012221. The next prime is 40551012251. The reversal of 40551012224 is 42221015504.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 40551012193 and 40551012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40551012221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644102 + ... + 704250.

Almost surely, 2^40551012224 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 40551012224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42333570000).

40551012224 is an abundant number, since it is smaller than the sum of its proper divisors (44116127776).

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

40551012224 is a wasteful number, since it uses less digits than its factorization.

40551012224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60415 (or 60403 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 40551012224 its reverse (42221015504), we get a palindrome (82772027728).

The spelling of 40551012224 in words is "forty billion, five hundred fifty-one million, twelve thousand, two hundred twenty-four".