40532445 has 24 divisors (see below), whose sum is σ = 71893536. Its totient is φ = 21113568.

The previous prime is 40532423. The next prime is 40532449. The reversal of 40532445 is 54423504.

It is not a de Polignac number, because 40532445 - 2⁶ = 40532381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40532449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8539 + ... + 12408.

It is an arithmetic number, because the mean of its divisors is an integer number (2995564).

Almost surely, 2^40532445 is an apocalyptic number.

40532445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40532445 is a deficient number, since it is larger than the sum of its proper divisors (31361091).

40532445 is a wasteful number, since it uses less digits than its factorization.

40532445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21001 (or 20998 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 40532445 is about 6366.5096402974. The cubic root of 40532445 is about 343.5059526183.

Adding to 40532445 its reverse (54423504), we get a palindrome (94955949).

The spelling of 40532445 in words is "forty million, five hundred thirty-two thousand, four hundred forty-five".