40220453 has 16 divisors (see below), whose sum is σ = 52416000. Its totient is φ = 29949696.

The previous prime is 40220449. The next prime is 40220459. The reversal of 40220453 is 35402204.

It is not a de Polignac number, because 40220453 - 2² = 40220449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11453 + ... + 14546.

It is an arithmetic number, because the mean of its divisors is an integer number (3276000).

Almost surely, 2^40220453 is an apocalyptic number.

It is an amenable number.

40220453 is a deficient number, since it is larger than the sum of its proper divisors (12195547).

40220453 is a wasteful number, since it uses less digits than its factorization.

40220453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26036.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40220453 is about 6341.9597128963. The cubic root of 40220453 is about 342.6223208463.

Adding to 40220453 its reverse (35402204), we get a palindrome (75622657).

The spelling of 40220453 in words is "forty million, two hundred twenty thousand, four hundred fifty-three".