40498635 has 16 divisors (see below), whose sum is σ = 65373984. Its totient is φ = 21407232.

The previous prime is 40498597. The next prime is 40498637. The reversal of 40498635 is 53689404.

It is not a de Polignac number, because 40498635 - 2⁸ = 40498379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40498593 and 40498602.

It is not an unprimeable number, because it can be changed into a prime (40498637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10252 + ... + 13641.

It is an arithmetic number, because the mean of its divisors is an integer number (4085874).

Almost surely, 2^40498635 is an apocalyptic number.

40498635 is a deficient number, since it is larger than the sum of its proper divisors (24875349).

40498635 is a wasteful number, since it uses less digits than its factorization.

40498635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24014.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 40498635 is about 6363.8537852468. The cubic root of 40498635 is about 343.4104146117.

The spelling of 40498635 in words is "forty million, four hundred ninety-eight thousand, six hundred thirty-five".