40854613 has 8 divisors (see below), whose sum is σ = 41489280. Its totient is φ = 40223040.

The previous prime is 40854599. The next prime is 40854631. The reversal of 40854613 is 31645804.

It is a happy number.

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 40854613 - 2⁵ = 40854581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40854673) 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, 45933 + ... + 46813.

It is an arithmetic number, because the mean of its divisors is an integer number (5186160).

Almost surely, 2^40854613 is an apocalyptic number.

It is an amenable number.

40854613 is a deficient number, since it is larger than the sum of its proper divisors (634667).

40854613 is an equidigital number, since it uses as much as digits as its factorization.

40854613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 40854613 is about 6391.7613378473. The cubic root of 40854613 is about 344.4136592404.

The spelling of 40854613 in words is "forty million, eight hundred fifty-four thousand, six hundred thirteen".