40525545 has 16 divisors (see below), whose sum is σ = 66594240. Its totient is φ = 21029184.

The previous prime is 40525519. The next prime is 40525547. The reversal of 40525545 is 54552504.

It is not a de Polignac number, because 40525545 - 2⁷ = 40525417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40525547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35955 + ... + 37064.

It is an arithmetic number, because the mean of its divisors is an integer number (4162140).

Almost surely, 2^40525545 is an apocalyptic number.

It is an amenable number.

40525545 is a deficient number, since it is larger than the sum of its proper divisors (26068695).

40525545 is a wasteful number, since it uses less digits than its factorization.

40525545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73064.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 40525545 is about 6365.9677190510. The cubic root of 40525545 is about 343.4864593820.

The spelling of 40525545 in words is "forty million, five hundred twenty-five thousand, five hundred forty-five".