40454427 has 8 divisors (see below), whose sum is σ = 58088464. Its totient is φ = 24895008.

The previous prime is 40454417. The next prime is 40454437. The reversal of 40454427 is 72445404.

It is an interprime number because it is at equal distance from previous prime (40454417) and next prime (40454437).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40454427 - 2¹⁰ = 40453403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40454394 and 40454403.

It is not an unprimeable number, because it can be changed into a prime (40454417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518608 + ... + 518685.

It is an arithmetic number, because the mean of its divisors is an integer number (7261058).

Almost surely, 2^40454427 is an apocalyptic number.

40454427 is a deficient number, since it is larger than the sum of its proper divisors (17634037).

40454427 is a wasteful number, since it uses less digits than its factorization.

40454427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037309.

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 40454427 is about 6360.3794698115. The cubic root of 40454427 is about 343.2854143908.

The spelling of 40454427 in words is "forty million, four hundred fifty-four thousand, four hundred twenty-seven".