45334640 has 40 divisors (see below), whose sum is σ = 113513568. Its totient is φ = 16738560.

The previous prime is 45334637. The next prime is 45334673. The reversal of 45334640 is 4643354.

45334640 = 100² + 101² + ... + 515².

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20756 + ... + 22835.

Almost surely, 2^45334640 is an apocalyptic number.

45334640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45334640 is an abundant number, since it is smaller than the sum of its proper divisors (68178928).

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

45334640 is a wasteful number, since it uses less digits than its factorization.

45334640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43617 (or 43611 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 45334640 is about 6733.1003260014. The cubic root of 45334640 is about 356.5688418743.

Adding to 45334640 its reverse (4643354), we get a palindrome (49977994).

The spelling of 45334640 in words is "forty-five million, three hundred thirty-four thousand, six hundred forty".