40337144781 has 8 divisors (see below), whose sum is σ = 54927176064. Its totient is φ = 26319271680.

The previous prime is 40337144777. The next prime is 40337144797. The reversal of 40337144781 is 18744173304.

It is a happy number.

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

It is not a de Polignac number, because 40337144781 - 2² = 40337144777 is a prime.

It is a super-2 number, since 2×40337144781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40337148781) 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, 143039380 + ... + 143039661.

It is an arithmetic number, because the mean of its divisors is an integer number (6865897008).

Almost surely, 2^40337144781 is an apocalyptic number.

It is an amenable number.

40337144781 is a deficient number, since it is larger than the sum of its proper divisors (14590031283).

40337144781 is a wasteful number, since it uses less digits than its factorization.

40337144781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286079091.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 40337144781 in words is "forty billion, three hundred thirty-seven million, one hundred forty-four thousand, seven hundred eighty-one".