40274653 has 4 divisors (see below), whose sum is σ = 40307328. Its totient is φ = 40241980.

The previous prime is 40274651. The next prime is 40274687. The reversal of 40274653 is 35647204.

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 a cyclic number.

It is not a de Polignac number, because 40274653 - 2¹ = 40274651 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40274651) 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, 14413 + ... + 16978.

It is an arithmetic number, because the mean of its divisors is an integer number (10076832).

Almost surely, 2^40274653 is an apocalyptic number.

It is an amenable number.

40274653 is a deficient number, since it is larger than the sum of its proper divisors (32675).

40274653 is a wasteful number, since it uses less digits than its factorization.

40274653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32674.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 40274653 is about 6346.2314013909. The cubic root of 40274653 is about 342.7761546390.

The spelling of 40274653 in words is "forty million, two hundred seventy-four thousand, six hundred fifty-three".