40126757 has 8 divisors (see below), whose sum is σ = 43822272. Its totient is φ = 36439200.

The previous prime is 40126753. The next prime is 40126763. The reversal of 40126757 is 75762104.

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 40126757 - 2² = 40126753 is a prime.

It is a super-2 number, since 2×40126757² = 3220313254674098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40126753) 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, 14657 + ... + 17177.

It is an arithmetic number, because the mean of its divisors is an integer number (5477784).

Almost surely, 2^40126757 is an apocalyptic number.

It is an amenable number.

40126757 is a deficient number, since it is larger than the sum of its proper divisors (3695515).

40126757 is a wasteful number, since it uses less digits than its factorization.

40126757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 40126757 is about 6334.5684146594. The cubic root of 40126757 is about 342.3560607803.

The spelling of 40126757 in words is "forty million, one hundred twenty-six thousand, seven hundred fifty-seven".