40454373 has 16 divisors (see below), whose sum is σ = 57424896. Its totient is φ = 25244160.

The previous prime is 40454341. The next prime is 40454377. The reversal of 40454373 is 37345404.

It is not a de Polignac number, because 40454373 - 2⁵ = 40454341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40454373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40454377) 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, 7665 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (3589056).

Almost surely, 2^40454373 is an apocalyptic number.

It is an amenable number.

40454373 is a deficient number, since it is larger than the sum of its proper divisors (16970523).

40454373 is a wasteful number, since it uses less digits than its factorization.

40454373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 40454373 is about 6360.3752247804. The cubic root of 40454373 is about 343.2852616476.

Adding to 40454373 its reverse (37345404), we get a palindrome (77799777).

The spelling of 40454373 in words is "forty million, four hundred fifty-four thousand, three hundred seventy-three".