40677451 has 2 divisors, whose sum is σ = 40677452. Its totient is φ = 40677450.

The previous prime is 40677449. The next prime is 40677463. The reversal of 40677451 is 15477604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40677451 - 2¹ = 40677449 is a prime.

Together with 40677449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40677551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20338725 + 20338726.

It is an arithmetic number, because the mean of its divisors is an integer number (20338726).

Almost surely, 2^40677451 is an apocalyptic number.

40677451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40677451 is an equidigital number, since it uses as much as digits as its factorization.

40677451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 40677451 is about 6377.8876597193. The cubic root of 40677451 is about 343.9150992705.

The spelling of 40677451 in words is "forty million, six hundred seventy-seven thousand, four hundred fifty-one".