40704451 has 4 divisors (see below), whose sum is σ = 41015304. Its totient is φ = 40393600.

The previous prime is 40704449. The next prime is 40704463. The reversal of 40704451 is 15440704.

40704451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40704451 - 2¹ = 40704449 is a prime.

It is a super-2 number, since 2×40704451² = 3313704662422802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40704151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155230 + ... + 155491.

It is an arithmetic number, because the mean of its divisors is an integer number (10253826).

Almost surely, 2^40704451 is an apocalyptic number.

40704451 is a deficient number, since it is larger than the sum of its proper divisors (310853).

40704451 is a wasteful number, since it uses less digits than its factorization.

40704451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310852.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 40704451 is about 6380.0039968640. The cubic root of 40704451 is about 343.9911746203.

The spelling of 40704451 in words is "forty million, seven hundred four thousand, four hundred fifty-one".