40627239844 has 27 divisors (see below), whose sum is σ = 73487730603. Its totient is φ = 19652295000.

The previous prime is 40627239823. The next prime is 40627239893. The reversal of 40627239844 is 44893272604.

The square root of 40627239844 is 201562.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×40627239844² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 12495219 + ... + 12498469.

Almost surely, 2^40627239844 is an apocalyptic number.

40627239844 is the 201562-nd square number.

It is an amenable number.

40627239844 is a deficient number, since it is larger than the sum of its proper divisors (32860490759).

40627239844 is an frugal number, since it uses more digits than its factorization.

40627239844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568 (or 3284 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

Multiplying 40627239844 by its sum of digits (49), we get a square (1990734752356 = 1410934²).

The spelling of 40627239844 in words is "forty billion, six hundred twenty-seven million, two hundred thirty-nine thousand, eight hundred forty-four".