40426727 has 8 divisors (see below), whose sum is σ = 44634240. Its totient is φ = 36307960.

The previous prime is 40426723. The next prime is 40426733. The reversal of 40426727 is 72762404.

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 40426727 - 2² = 40426723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40426693 and 40426702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40426723) 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, 21227 + ... + 23052.

It is an arithmetic number, because the mean of its divisors is an integer number (5579280).

Almost surely, 2^40426727 is an apocalyptic number.

40426727 is a deficient number, since it is larger than the sum of its proper divisors (4207513).

40426727 is a wasteful number, since it uses less digits than its factorization.

40426727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44373.

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

The square root of 40426727 is about 6358.2015538987. The cubic root of 40426727 is about 343.2070449115.

The spelling of 40426727 in words is "forty million, four hundred twenty-six thousand, seven hundred twenty-seven".