40660077 has 8 divisors (see below), whose sum is σ = 55678816. Its totient is φ = 26374032.

The previous prime is 40660049. The next prime is 40660079. The reversal of 40660077 is 77006604.

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

It is not a de Polignac number, because 40660077 - 2¹⁴ = 40643693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40660079) 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, 183043 + ... + 183264.

It is an arithmetic number, because the mean of its divisors is an integer number (6959852).

Almost surely, 2^40660077 is an apocalyptic number.

It is an amenable number.

40660077 is a deficient number, since it is larger than the sum of its proper divisors (15018739).

40660077 is a wasteful number, since it uses less digits than its factorization.

40660077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366347.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 40660077 is about 6376.5254645457. The cubic root of 40660077 is about 343.8661283895.

The spelling of 40660077 in words is "forty million, six hundred sixty thousand, seventy-seven".