42773251450040 has 128 divisors (see below), whose sum is σ = 101040435763200. Its totient is φ = 16274771120640.

The previous prime is 42773251450037. The next prime is 42773251450063. The reversal of 42773251450040 is 4005415237724.

It is a junction number, because it is equal to n+sod(n) for n = 42773251449973 and 42773251450000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692574842 + ... + 692636598.

It is an arithmetic number, because the mean of its divisors is an integer number (789378404400).

Almost surely, 2^{42773251450040} is an apocalyptic number.

42773251450040 is a gapful number since it is divisible by the number (40) 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 42773251450040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50520217881600).

42773251450040 is an abundant number, since it is smaller than the sum of its proper divisors (58267184313160).

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

42773251450040 is a wasteful number, since it uses less digits than its factorization.

42773251450040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71325 (or 71321 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 44.

Adding to 42773251450040 its reverse (4005415237724), we get a palindrome (46778666687764).

The spelling of 42773251450040 in words is "forty-two trillion, seven hundred seventy-three billion, two hundred fifty-one million, four hundred fifty thousand, forty".