40897026 has 48 divisors (see below), whose sum is σ = 91181376. Its totient is φ = 13242528.

The previous prime is 40896983. The next prime is 40897033. The reversal of 40897026 is 62079804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155371 + ... + 155633.

It is an arithmetic number, because the mean of its divisors is an integer number (1899612).

Almost surely, 2^40897026 is an apocalyptic number.

40897026 is an abundant number, since it is smaller than the sum of its proper divisors (50284350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40897026 is a wasteful number, since it uses less digits than its factorization.

40897026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 40897026 is about 6395.0782637901. The cubic root of 40897026 is about 344.5328017593.

The spelling of 40897026 in words is "forty million, eight hundred ninety-seven thousand, twenty-six".