40040220737 has 8 divisors (see below), whose sum is σ = 43689534240. Its totient is φ = 36392456160.

The previous prime is 40040220719. The next prime is 40040220761. The reversal of 40040220737 is 73702204004.

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

It is a cyclic number.

It is not a de Polignac number, because 40040220737 - 2⁶ = 40040220673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40040220137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332843 + ... + 436880.

It is an arithmetic number, because the mean of its divisors is an integer number (5461191780).

Almost surely, 2^40040220737 is an apocalyptic number.

It is an amenable number.

40040220737 is a deficient number, since it is larger than the sum of its proper divisors (3649313503).

40040220737 is a wasteful number, since it uses less digits than its factorization.

40040220737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774463.

The product of its (nonzero) digits is 9408, while the sum is 29.

The spelling of 40040220737 in words is "forty billion, forty million, two hundred twenty thousand, seven hundred thirty-seven".