40975619 has 4 divisors (see below), whose sum is σ = 41001840. Its totient is φ = 40949400.

The previous prime is 40975589. The next prime is 40975633. The reversal of 40975619 is 91657904.

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

It is a cyclic number.

It is not a de Polignac number, because 40975619 - 2¹² = 40971523 is a prime.

It is a super-2 number, since 2×40975619² = 3358002704866322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40975639) 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, 10607 + ... + 13944.

It is an arithmetic number, because the mean of its divisors is an integer number (10250460).

Almost surely, 2^40975619 is an apocalyptic number.

40975619 is a deficient number, since it is larger than the sum of its proper divisors (26221).

40975619 is a wasteful number, since it uses less digits than its factorization.

40975619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26220.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 40975619 is about 6401.2201180712. The cubic root of 40975619 is about 344.7533600915.

The spelling of 40975619 in words is "forty million, nine hundred seventy-five thousand, six hundred nineteen".