40409677 has 8 divisors (see below), whose sum is σ = 50380992. Its totient is φ = 31488000.

The previous prime is 40409671. The next prime is 40409683. The reversal of 40409677 is 77690404.

It is an interprime number because it is at equal distance from previous prime (40409671) and next prime (40409683).

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 40409677 - 2³ = 40409669 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 (40409671) 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, 262324 + ... + 262477.

It is an arithmetic number, because the mean of its divisors is an integer number (6297624).

Almost surely, 2^40409677 is an apocalyptic number.

It is an amenable number.

40409677 is a deficient number, since it is larger than the sum of its proper divisors (9971315).

40409677 is a wasteful number, since it uses less digits than its factorization.

40409677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524819.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 40409677 is about 6356.8606245536. The cubic root of 40409677 is about 343.1587888575.

The spelling of 40409677 in words is "forty million, four hundred nine thousand, six hundred seventy-seven".