40825345 has 32 divisors (see below), whose sum is σ = 56816640. Its totient is φ = 27867840.

The previous prime is 40825331. The next prime is 40825349. The reversal of 40825345 is 54352804.

It is not a de Polignac number, because 40825345 - 2¹⁹ = 40301057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40825349) 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, 74362 + ... + 74908.

It is an arithmetic number, because the mean of its divisors is an integer number (1775520).

Almost surely, 2^40825345 is an apocalyptic number.

It is an amenable number.

40825345 is a deficient number, since it is larger than the sum of its proper divisors (15991295).

40825345 is a wasteful number, since it uses less digits than its factorization.

40825345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 40825345 is about 6389.4714178874. The cubic root of 40825345 is about 344.3313942985.

The spelling of 40825345 in words is "forty million, eight hundred twenty-five thousand, three hundred forty-five".