40298679 has 12 divisors (see below), whose sum is σ = 58487832. Its totient is φ = 26737200.

The previous prime is 40298669. The next prime is 40298683. The reversal of 40298679 is 97689204.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-40298679 is a prime.

It is a super-3 number, since 3×40298679³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40298669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8712 + ... + 12509.

It is an arithmetic number, because the mean of its divisors is an integer number (4873986).

Almost surely, 2^40298679 is an apocalyptic number.

40298679 is a deficient number, since it is larger than the sum of its proper divisors (18189153).

40298679 is a wasteful number, since it uses less digits than its factorization.

40298679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21438 (or 21435 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 40298679 is about 6348.1240536083. The cubic root of 40298679 is about 342.8443025697.

The spelling of 40298679 in words is "forty million, two hundred ninety-eight thousand, six hundred seventy-nine".