40337129797 has 8 divisors (see below), whose sum is σ = 42723236376. Its totient is φ = 37952504832.

The previous prime is 40337129779. The next prime is 40337129939. The reversal of 40337129797 is 79792173304.

It can be written as a sum of positive squares in 4 ways, for example, as 28574859681 + 11762270116 = 169041^2 + 108454^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40337129797 is a prime.

It is a super-2 number, since 2×40337129797² (a number of 22 digits) contains 22 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 (40337129597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314098 + ... + 423475.

It is an arithmetic number, because the mean of its divisors is an integer number (5340404547).

Almost surely, 2^40337129797 is an apocalyptic number.

It is an amenable number.

40337129797 is a deficient number, since it is larger than the sum of its proper divisors (2386106579).

40337129797 is a wasteful number, since it uses less digits than its factorization.

40337129797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740807.

The product of its (nonzero) digits is 2000376, while the sum is 52.

The spelling of 40337129797 in words is "forty billion, three hundred thirty-seven million, one hundred twenty-nine thousand, seven hundred ninety-seven".