40677213657 has 8 divisors (see below), whose sum is σ = 55390248576. Its totient is φ = 26541160592.

The previous prime is 40677213623. The next prime is 40677213697. The reversal of 40677213657 is 75631277604.

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 40677213657 - 2⁷ = 40677213529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40677213617) 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 7 ways as a sum of consecutive naturals, for example, 144245298 + ... + 144245579.

It is an arithmetic number, because the mean of its divisors is an integer number (6923781072).

Almost surely, 2^40677213657 is an apocalyptic number.

40677213657 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

40677213657 is a deficient number, since it is larger than the sum of its proper divisors (14713034919).

40677213657 is a wasteful number, since it uses less digits than its factorization.

40677213657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288490927.

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 40677213657 in words is "forty billion, six hundred seventy-seven million, two hundred thirteen thousand, six hundred fifty-seven".