45406940 has 24 divisors (see below), whose sum is σ = 98431872. Its totient is φ = 17576640.

The previous prime is 45406939. The next prime is 45406943. The reversal of 45406940 is 4960454.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45406897 and 45406906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45406943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35999 + ... + 37238.

It is an arithmetic number, because the mean of its divisors is an integer number (4101328).

Almost surely, 2^45406940 is an apocalyptic number.

It is an amenable number.

45406940 is an abundant number, since it is smaller than the sum of its proper divisors (53024932).

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

45406940 is a wasteful number, since it uses less digits than its factorization.

45406940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73277 (or 73275 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 45406940 is about 6738.4671847535. The cubic root of 45406940 is about 356.7582940219.

The spelling of 45406940 in words is "forty-five million, four hundred six thousand, nine hundred forty".