40476549 has 4 divisors (see below), whose sum is σ = 53968736. Its totient is φ = 26984364.

The previous prime is 40476497. The next prime is 40476559. The reversal of 40476549 is 94567404.

It is a happy number.

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 not a de Polignac number, because 40476549 - 2¹³ = 40468357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40476559) 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, 6746089 + ... + 6746094.

It is an arithmetic number, because the mean of its divisors is an integer number (13492184).

Almost surely, 2^40476549 is an apocalyptic number.

It is an amenable number.

40476549 is a deficient number, since it is larger than the sum of its proper divisors (13492187).

40476549 is a wasteful number, since it uses less digits than its factorization.

40476549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13492186.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 40476549 is about 6362.1182793155. The cubic root of 40476549 is about 343.3479767741.

The spelling of 40476549 in words is "forty million, four hundred seventy-six thousand, five hundred forty-nine".