40346453 has 12 divisors (see below), whose sum is σ = 48553740. Its totient is φ = 33388992.

The previous prime is 40346441. The next prime is 40346473. The reversal of 40346453 is 35464304.

It can be written as a sum of positive squares in 2 ways, for example, as 32467204 + 7879249 = 5698^2 + 2807^2 .

It is not a de Polignac number, because 40346453 - 2²⁰ = 39297877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40346413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12776 + ... + 15617.

It is an arithmetic number, because the mean of its divisors is an integer number (4046145).

Almost surely, 2^40346453 is an apocalyptic number.

It is an amenable number.

40346453 is a deficient number, since it is larger than the sum of its proper divisors (8207287).

40346453 is a wasteful number, since it uses less digits than its factorization.

40346453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28436 (or 28429 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 40346453 is about 6351.8857829782. The cubic root of 40346453 is about 342.9797294699.

The spelling of 40346453 in words is "forty million, three hundred forty-six thousand, four hundred fifty-three".