40454033 has 16 divisors (see below), whose sum is σ = 45048960. Its totient is φ = 36132096.

The previous prime is 40454017. The next prime is 40454053. The reversal of 40454033 is 33045404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40454033 - 2⁴ = 40454017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40454053) 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, 61058 + ... + 61716.

It is an arithmetic number, because the mean of its divisors is an integer number (2815560).

Almost surely, 2^40454033 is an apocalyptic number.

It is an amenable number.

40454033 is a deficient number, since it is larger than the sum of its proper divisors (4594927).

40454033 is a wasteful number, since it uses less digits than its factorization.

40454033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40454033 is about 6360.3484967414. The cubic root of 40454033 is about 343.2842999278.

Adding to 40454033 its reverse (33045404), we get a palindrome (73499437).

The spelling of 40454033 in words is "forty million, four hundred fifty-four thousand, thirty-three".