45508040 has 32 divisors (see below), whose sum is σ = 107784000. Its totient is φ = 17244864.

The previous prime is 45508033. The next prime is 45508087. The reversal of 45508040 is 4080554.

45508040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29180 + ... + 30699.

It is an arithmetic number, because the mean of its divisors is an integer number (3368250).

Almost surely, 2^45508040 is an apocalyptic number.

45508040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45508040 is an abundant number, since it is smaller than the sum of its proper divisors (62275960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45508040 is a wasteful number, since it uses less digits than its factorization.

45508040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59909 (or 59905 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 45508040 is about 6745.9647197417. The cubic root of 45508040 is about 357.0228756589.

Adding to 45508040 its reverse (4080554), we get a palindrome (49588594).

The spelling of 45508040 in words is "forty-five million, five hundred eight thousand, forty".