40514691 has 8 divisors (see below), whose sum is σ = 61736704. Its totient is φ = 23151240.

The previous prime is 40514687. The next prime is 40514693. The reversal of 40514691 is 19641504.

It is a happy number.

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

It is not a de Polignac number, because 40514691 - 2² = 40514687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40514693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964615 + ... + 964656.

It is an arithmetic number, because the mean of its divisors is an integer number (7717088).

Almost surely, 2^40514691 is an apocalyptic number.

40514691 is a deficient number, since it is larger than the sum of its proper divisors (21222013).

40514691 is a wasteful number, since it uses less digits than its factorization.

40514691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929281.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 40514691 is about 6365.1151599951. The cubic root of 40514691 is about 343.4557911955.

The spelling of 40514691 in words is "forty million, five hundred fourteen thousand, six hundred ninety-one".