40426653 has 4 divisors (see below), whose sum is σ = 53902208. Its totient is φ = 26951100.

The previous prime is 40426637. The next prime is 40426669. The reversal of 40426653 is 35662404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (40426637) and next prime (40426669).

It is not a de Polignac number, because 40426653 - 2⁴ = 40426637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40426653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40426453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6737773 + ... + 6737778.

It is an arithmetic number, because the mean of its divisors is an integer number (13475552).

Almost surely, 2^40426653 is an apocalyptic number.

It is an amenable number.

40426653 is a deficient number, since it is larger than the sum of its proper divisors (13475555).

40426653 is a wasteful number, since it uses less digits than its factorization.

40426653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13475554.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 40426653 is about 6358.1957346404. The cubic root of 40426653 is about 343.2068355010.

The spelling of 40426653 in words is "forty million, four hundred twenty-six thousand, six hundred fifty-three".