45504340 has 72 divisors (see below), whose sum is σ = 113188320. Its totient is φ = 15317568.

The previous prime is 45504313. The next prime is 45504377. The reversal of 45504340 is 4340554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57427 + ... + 58213.

It is an arithmetic number, because the mean of its divisors is an integer number (1572060).

Almost surely, 2^45504340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45504340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56594160).

45504340 is an abundant number, since it is smaller than the sum of its proper divisors (67683980).

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

45504340 is a wasteful number, since it uses less digits than its factorization.

45504340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45504340 is about 6745.6904761485. The cubic root of 45504340 is about 357.0131995632.

Adding to 45504340 its reverse (4340554), we get a palindrome (49844894).

The spelling of 45504340 in words is "forty-five million, five hundred four thousand, three hundred forty".