45336040 has 32 divisors (see below), whose sum is σ = 102763080. Its totient is φ = 17999872.

The previous prime is 45336029. The next prime is 45336073. The reversal of 45336040 is 4063354.

It can be written as a sum of positive squares in 4 ways, for example, as 41809156 + 3526884 = 6466^2 + 1878^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45335996 and 45336014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344 + ... + 9616.

Almost surely, 2^45336040 is an apocalyptic number.

45336040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45336040 is an abundant number, since it is smaller than the sum of its proper divisors (57427040).

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

45336040 is a wasteful number, since it uses less digits than its factorization.

45336040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8421 (or 8417 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 45336040 is about 6733.2042891925. The cubic root of 45336040 is about 356.5725122923.

Adding to 45336040 its reverse (4063354), we get a palindrome (49399394).

The spelling of 45336040 in words is "forty-five million, three hundred thirty-six thousand, forty".