40453551 has 6 divisors (see below), whose sum is σ = 58432920. Its totient is φ = 26969028.

The previous prime is 40453549. The next prime is 40453571. The reversal of 40453551 is 15535404.

It is not a de Polignac number, because 40453551 - 2¹ = 40453549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40453531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2247411 + ... + 2247428.

It is an arithmetic number, because the mean of its divisors is an integer number (9738820).

Almost surely, 2^40453551 is an apocalyptic number.

40453551 is a deficient number, since it is larger than the sum of its proper divisors (17979369).

40453551 is a wasteful number, since it uses less digits than its factorization.

40453551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4494845 (or 4494842 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 40453551 is about 6360.3106056230. The cubic root of 40453551 is about 343.2829365393.

Adding to 40453551 its reverse (15535404), we get a palindrome (55988955).

The spelling of 40453551 in words is "forty million, four hundred fifty-three thousand, five hundred fifty-one".