45637040 has 20 divisors (see below), whose sum is σ = 106106304. Its totient is φ = 18254784.

The previous prime is 45637019. The next prime is 45637049. The reversal of 45637040 is 4073654.

45637040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 45636994 and 45637012.

It is not an unprimeable number, because it can be changed into a prime (45637049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 285152 + ... + 285311.

Almost surely, 2^45637040 is an apocalyptic number.

45637040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45637040 is an abundant number, since it is smaller than the sum of its proper divisors (60469264).

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

45637040 is a wasteful number, since it uses less digits than its factorization.

45637040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570476 (or 570470 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 45637040 is about 6755.5192250485. The cubic root of 45637040 is about 357.3599040290.

The spelling of 45637040 in words is "forty-five million, six hundred thirty-seven thousand, forty".