40005097 has 32 divisors (see below), whose sum is σ = 48881664. Its totient is φ = 32313600.

The previous prime is 40005079. The next prime is 40005107. The reversal of 40005097 is 79050004.

It is not a de Polignac number, because 40005097 - 2⁷ = 40004969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40005067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388348 + ... + 388450.

It is an arithmetic number, because the mean of its divisors is an integer number (1527552).

Almost surely, 2^40005097 is an apocalyptic number.

It is an amenable number.

40005097 is a deficient number, since it is larger than the sum of its proper divisors (8876567).

40005097 is a wasteful number, since it uses less digits than its factorization.

40005097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 40005097 is about 6324.9582607318. The cubic root of 40005097 is about 342.0097149640.

The spelling of 40005097 in words is "forty million, five thousand, ninety-seven".