40679646337 has 8 divisors (see below), whose sum is σ = 45577196352. Its totient is φ = 35981996400.

The previous prime is 40679646313. The next prime is 40679646373. The reversal of 40679646337 is 73364697604.

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 40679646337 - 2¹⁹ = 40679122049 is a prime.

It is a super-2 number, since 2×40679646337² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40679646037) 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, 49974589 + ... + 49975402.

It is an arithmetic number, because the mean of its divisors is an integer number (5697149544).

Almost surely, 2^40679646337 is an apocalyptic number.

It is an amenable number.

40679646337 is a deficient number, since it is larger than the sum of its proper divisors (4897550015).

40679646337 is a wasteful number, since it uses less digits than its factorization.

40679646337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99950039.

The product of its (nonzero) digits is 13716864, while the sum is 55.

The spelling of 40679646337 in words is "forty billion, six hundred seventy-nine million, six hundred forty-six thousand, three hundred thirty-seven".