40498477 has 4 divisors (see below), whose sum is σ = 40523580. Its totient is φ = 40473376.

The previous prime is 40498459. The next prime is 40498487. The reversal of 40498477 is 77489404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10588516 + 29909961 = 3254^2 + 5469^2 .

It is a cyclic number.

It is not a de Polignac number, because 40498477 - 2¹⁹ = 39974189 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 (40498427) 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, 9952 + ... + 13417.

It is an arithmetic number, because the mean of its divisors is an integer number (10130895).

Almost surely, 2^40498477 is an apocalyptic number.

It is an amenable number.

40498477 is a deficient number, since it is larger than the sum of its proper divisors (25103).

40498477 is a wasteful number, since it uses less digits than its factorization.

40498477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25102.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 40498477 is about 6363.8413713731. The cubic root of 40498477 is about 343.4099680212.

The spelling of 40498477 in words is "forty million, four hundred ninety-eight thousand, four hundred seventy-seven".