40126961 has 8 divisors (see below), whose sum is σ = 45927360. Its totient is φ = 34343568.

The previous prime is 40126951. The next prime is 40126963. The reversal of 40126961 is 16962104.

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

It is not a de Polignac number, because 40126961 - 2⁶ = 40126897 is a prime.

It is a super-2 number, since 2×40126961² = 3220345998191042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40126963) 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, 1295 + ... + 9051.

It is an arithmetic number, because the mean of its divisors is an integer number (5740920).

Almost surely, 2^40126961 is an apocalyptic number.

It is an amenable number.

40126961 is a deficient number, since it is larger than the sum of its proper divisors (5800399).

40126961 is an equidigital number, since it uses as much as digits as its factorization.

40126961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 40126961 is about 6334.5845167619. The cubic root of 40126961 is about 342.3566409461.

The spelling of 40126961 in words is "forty million, one hundred twenty-six thousand, nine hundred sixty-one".