40961019 has 8 divisors (see below), whose sum is σ = 59579712. Its totient is φ = 24824840.

The previous prime is 40960943. The next prime is 40961023. The reversal of 40961019 is 91016904.

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 40961019 - 2¹¹ = 40958971 is a prime.

It is a super-2 number, since 2×40961019² = 3355610155036722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40961059) 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, 620589 + ... + 620654.

It is an arithmetic number, because the mean of its divisors is an integer number (7447464).

Almost surely, 2^40961019 is an apocalyptic number.

40961019 is a deficient number, since it is larger than the sum of its proper divisors (18618693).

40961019 is a wasteful number, since it uses less digits than its factorization.

40961019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241257.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 40961019 is about 6400.0796088799. The cubic root of 40961019 is about 344.7124089347.

It can be divided in two parts, 4096 and 1019, that added together give a palindrome (5115).

The spelling of 40961019 in words is "forty million, nine hundred sixty-one thousand, nineteen".