40142736406372 has 6 divisors (see below), whose sum is σ = 70249788711158. Its totient is φ = 20071368203184.

The previous prime is 40142736406351. The next prime is 40142736406429. The reversal of 40142736406372 is 27360463724104.

It can be written as a sum of positive squares in only one way, i.e., 35146590543936 + 4996145862436 = 5928456^2 + 2235206^2 .

It is a super-2 number, since 2×40142736406372² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5017842050793 + ... + 5017842050800.

Almost surely, 2^{40142736406372} is an apocalyptic number.

It is an amenable number.

40142736406372 is a deficient number, since it is larger than the sum of its proper divisors (30107052304786).

40142736406372 is a wasteful number, since it uses less digits than its factorization.

40142736406372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035684101597 (or 10035684101595 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 49.

The spelling of 40142736406372 in words is "forty trillion, one hundred forty-two billion, seven hundred thirty-six million, four hundred six thousand, three hundred seventy-two".