40526661 has 8 divisors (see below), whose sum is σ = 61754944. Its totient is φ = 23158080.

The previous prime is 40526617. The next prime is 40526671. The reversal of 40526661 is 16662504.

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

It is not a de Polignac number, because 40526661 - 2⁷ = 40526533 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 (40526611) 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, 964900 + ... + 964941.

It is an arithmetic number, because the mean of its divisors is an integer number (7719368).

Almost surely, 2^40526661 is an apocalyptic number.

It is an amenable number.

40526661 is a deficient number, since it is larger than the sum of its proper divisors (21228283).

40526661 is a wasteful number, since it uses less digits than its factorization.

40526661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929851.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40526661 is about 6366.0553720495. The cubic root of 40526661 is about 343.4896123511.

The spelling of 40526661 in words is "forty million, five hundred twenty-six thousand, six hundred sixty-one".