40260979 has 8 divisors (see below), whose sum is σ = 44213760. Its totient is φ = 36357000.

The previous prime is 40260967. The next prime is 40260991. The reversal of 40260979 is 97906204.

It is an interprime number because it is at equal distance from previous prime (40260967) and next prime (40260991).

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

It is a cyclic number.

It is not a de Polignac number, because 40260979 - 2⁷ = 40260851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40260929) 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, 10459 + ... + 13780.

It is an arithmetic number, because the mean of its divisors is an integer number (5526720).

Almost surely, 2^40260979 is an apocalyptic number.

40260979 is a deficient number, since it is larger than the sum of its proper divisors (3952781).

40260979 is a wasteful number, since it uses less digits than its factorization.

40260979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24401.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 40260979 is about 6345.1539776431. The cubic root of 40260979 is about 342.7373572702.

The spelling of 40260979 in words is "forty million, two hundred sixty thousand, nine hundred seventy-nine".