40772372629 has 4 divisors (see below), whose sum is σ = 41874328684. Its totient is φ = 39670416576.

The previous prime is 40772372621. The next prime is 40772372639. The reversal of 40772372629 is 92627327704.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31692188529 + 9080184100 = 178023^2 + 95290^2 .

It is a cyclic number.

It is not a de Polignac number, because 40772372629 - 2³ = 40772372621 is a prime.

It is a super-3 number, since 3×40772372629³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40772372621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550977972 + ... + 550978045.

It is an arithmetic number, because the mean of its divisors is an integer number (10468582171).

Almost surely, 2^40772372629 is an apocalyptic number.

It is an amenable number.

40772372629 is a deficient number, since it is larger than the sum of its proper divisors (1101956055).

40772372629 is a wasteful number, since it uses less digits than its factorization.

40772372629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101956054.

The product of its (nonzero) digits is 1778112, while the sum is 49.

The spelling of 40772372629 in words is "forty billion, seven hundred seventy-two million, three hundred seventy-two thousand, six hundred twenty-nine".