40271649 has 8 divisors (see below), whose sum is σ = 58576992. Its totient is φ = 24407040.

The previous prime is 40271639. The next prime is 40271653. The reversal of 40271649 is 94617204.

It is a happy number.

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

It is not a de Polignac number, because 40271649 - 2⁵ = 40271617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1220353 = 40271649 / (4 + 0 + 2 + 7 + 1 + 6 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (40271639) 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, 610144 + ... + 610209.

It is an arithmetic number, because the mean of its divisors is an integer number (7322124).

Almost surely, 2^40271649 is an apocalyptic number.

It is an amenable number.

40271649 is a deficient number, since it is larger than the sum of its proper divisors (18305343).

40271649 is a wasteful number, since it uses less digits than its factorization.

40271649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220367.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40271649 is about 6345.9947210820. The cubic root of 40271649 is about 342.7676321143.

The spelling of 40271649 in words is "forty million, two hundred seventy-one thousand, six hundred forty-nine".