40761851 has 4 divisors (see below), whose sum is σ = 43897392. Its totient is φ = 37626312.

The previous prime is 40761811. The next prime is 40761857. The reversal of 40761851 is 15816704.

It is a happy number.

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 40761851 - 2¹⁸ = 40499707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40761857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567751 + ... + 1567776.

It is an arithmetic number, because the mean of its divisors is an integer number (10974348).

Almost surely, 2^40761851 is an apocalyptic number.

40761851 is a deficient number, since it is larger than the sum of its proper divisors (3135541).

40761851 is a wasteful number, since it uses less digits than its factorization.

40761851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135540.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 40761851 is about 6384.5008418826. The cubic root of 40761851 is about 344.1527934681.

The spelling of 40761851 in words is "forty million, seven hundred sixty-one thousand, eight hundred fifty-one".