40590669 has 24 divisors (see below), whose sum is σ = 66275040. Its totient is φ = 21972384.

The previous prime is 40590659. The next prime is 40590673. The reversal of 40590669 is 96609504.

It is not a de Polignac number, because 40590669 - 2⁷ = 40590541 is a prime.

It is a super-2 number, since 2×40590669² = 3295204819735122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40590659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4474 + ... + 10059.

It is an arithmetic number, because the mean of its divisors is an integer number (2761460).

Almost surely, 2^40590669 is an apocalyptic number.

40590669 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

40590669 is a deficient number, since it is larger than the sum of its proper divisors (25684371).

40590669 is a wasteful number, since it uses less digits than its factorization.

40590669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14569 (or 14562 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 40590669 is about 6371.0806775617. The cubic root of 40590669 is about 343.6703536026.

The spelling of 40590669 in words is "forty million, five hundred ninety thousand, six hundred sixty-nine".