40763451 has 4 divisors (see below), whose sum is σ = 54351272. Its totient is φ = 27175632.

The previous prime is 40763449. The next prime is 40763461. The reversal of 40763451 is 15436704.

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

It is not a de Polignac number, because 40763451 - 2¹ = 40763449 is a prime.

It is a super-4 number, since 4×40763451⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40763431) 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 3 ways as a sum of consecutive naturals, for example, 6793906 + ... + 6793911.

It is an arithmetic number, because the mean of its divisors is an integer number (13587818).

Almost surely, 2^40763451 is an apocalyptic number.

40763451 is a deficient number, since it is larger than the sum of its proper divisors (13587821).

40763451 is a wasteful number, since it uses less digits than its factorization.

40763451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13587820.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40763451 is about 6384.6261441059. The cubic root of 40763451 is about 344.1572963489.

It can be divided in two parts, 40763 and 451, that added together give a palindrome (41214).

The spelling of 40763451 in words is "forty million, seven hundred sixty-three thousand, four hundred fifty-one".