40325045 has 4 divisors (see below), whose sum is σ = 48390060. Its totient is φ = 32260032.

The previous prime is 40325029. The next prime is 40325063. The reversal of 40325045 is 54052304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22676644 + 17648401 = 4762^2 + 4201^2 .

It is a cyclic number.

It is not a de Polignac number, because 40325045 - 2⁴ = 40325029 is a prime.

It is a super-2 number, since 2×40325045² = 3252218508504050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40325045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4032500 + ... + 4032509.

It is an arithmetic number, because the mean of its divisors is an integer number (12097515).

Almost surely, 2^40325045 is an apocalyptic number.

It is an amenable number.

40325045 is a deficient number, since it is larger than the sum of its proper divisors (8065015).

40325045 is an equidigital number, since it uses as much as digits as its factorization.

40325045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065014.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40325045 is about 6350.2003905389. The cubic root of 40325045 is about 342.9190565685.

Adding to 40325045 its reverse (54052304), we get a palindrome (94377349).

The spelling of 40325045 in words is "forty million, three hundred twenty-five thousand, forty-five".