40751162064 has 30 divisors (see below), whose sum is σ = 114046655346. Its totient is φ = 13583720640.

The previous prime is 40751162041. The next prime is 40751162071. The reversal of 40751162064 is 46026115704.

It can be written as a sum of positive squares in only one way, i.e., 24598785600 + 16152376464 = 156840^2 + 127092^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 141496947 + ... + 141497234.

Almost surely, 2^40751162064 is an apocalyptic number.

It is an amenable number.

40751162064 is an abundant number, since it is smaller than the sum of its proper divisors (73295493282).

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

40751162064 is a wasteful number, since it uses less digits than its factorization.

40751162064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282994195 (or 282994186 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 40751162064 its reverse (46026115704), we get a palindrome (86777277768).

The spelling of 40751162064 in words is "forty billion, seven hundred fifty-one million, one hundred sixty-two thousand, sixty-four".