40953897 has 16 divisors (see below), whose sum is σ = 60852480. Its totient is φ = 27221616.

The previous prime is 40953893. The next prime is 40953907. The reversal of 40953897 is 79835904.

It is not a de Polignac number, because 40953897 - 2² = 40953893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40953893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7843 + ... + 11975.

It is an arithmetic number, because the mean of its divisors is an integer number (3803280).

Almost surely, 2^40953897 is an apocalyptic number.

It is an amenable number.

40953897 is a deficient number, since it is larger than the sum of its proper divisors (19898583).

40953897 is a wasteful number, since it uses less digits than its factorization.

40953897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509 (or 4503 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 40953897 is about 6399.5231853631. The cubic root of 40953897 is about 344.6924290926.

The spelling of 40953897 in words is "forty million, nine hundred fifty-three thousand, eight hundred ninety-seven".