40964451 has 8 divisors (see below), whose sum is σ = 59584704. Its totient is φ = 24826920.

The previous prime is 40964447. The next prime is 40964459. The reversal of 40964451 is 15446904.

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

It is not a de Polignac number, because 40964451 - 2² = 40964447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1241347 = 40964451 / (4 + 0 + 9 + 6 + 4 + 4 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (40964459) 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, 620641 + ... + 620706.

It is an arithmetic number, because the mean of its divisors is an integer number (7448088).

Almost surely, 2^40964451 is an apocalyptic number.

40964451 is a deficient number, since it is larger than the sum of its proper divisors (18620253).

40964451 is a wasteful number, since it uses less digits than its factorization.

40964451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241361.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 40964451 is about 6400.3477249287. The cubic root of 40964451 is about 344.7220361362.

The spelling of 40964451 in words is "forty million, nine hundred sixty-four thousand, four hundred fifty-one".