40147151706 has 24 divisors (see below), whose sum is σ = 87295063284. Its totient is φ = 13334758080.

The previous prime is 40147151701. The next prime is 40147151749. The reversal of 40147151706 is 60715174104.

It can be written as a sum of positive squares in 2 ways, for example, as 35851529025 + 4295622681 = 189345^2 + 65541^2 .

It is a super-2 number, since 2×40147151706² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40147151701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3963621 + ... + 3973736.

Almost surely, 2^40147151706 is an apocalyptic number.

40147151706 is an abundant number, since it is smaller than the sum of its proper divisors (47147911578).

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

40147151706 is a wasteful number, since it uses less digits than its factorization.

40147151706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7937646 (or 7937643 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 40147151706 in words is "forty billion, one hundred forty-seven million, one hundred fifty-one thousand, seven hundred six".