40440677 has 8 divisors (see below), whose sum is σ = 41176512. Its totient is φ = 39709600.

The previous prime is 40440661. The next prime is 40440679. The reversal of 40440677 is 77604404.

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 40440677 - 2⁴ = 40440661 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 (40440679) 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, 18938 + ... + 20964.

It is an arithmetic number, because the mean of its divisors is an integer number (5147064).

Almost surely, 2^40440677 is an apocalyptic number.

It is an amenable number.

40440677 is a deficient number, since it is larger than the sum of its proper divisors (735835).

40440677 is a wasteful number, since it uses less digits than its factorization.

40440677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 40440677 is about 6359.2984675985. The cubic root of 40440677 is about 343.2465170465.

The spelling of 40440677 in words is "forty million, four hundred forty thousand, six hundred seventy-seven".