40477522338 has 126 divisors (see below), whose sum is σ = 100270157547. Its totient is φ = 12240308520.

The previous prime is 40477522331. The next prime is 40477522339. The reversal of 40477522338 is 83322577404.

40477522338 is a `hidden beast` number, since 404 + 7 + 7 + 5 + 2 + 233 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20238761169 + 20238761169 = 142263^2 + 142263^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=142263.

It is a junction number, because it is equal to n+sod(n) for n = 40477522293 and 40477522302.

It is not an unprimeable number, because it can be changed into a prime (40477522331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 84503983 + ... + 84504461.

Almost surely, 2^40477522338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40477522338

40477522338 is an abundant number, since it is smaller than the sum of its proper divisors (59792635209).

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

40477522338 is an frugal number, since it uses more digits than its factorization.

40477522338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 40477522338 in words is "forty billion, four hundred seventy-seven million, five hundred twenty-two thousand, three hundred thirty-eight".