40629487 has 2 divisors, whose sum is σ = 40629488. Its totient is φ = 40629486.

The previous prime is 40629427. The next prime is 40629497. The reversal of 40629487 is 78492604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40629487 - 2⁷ = 40629359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40629427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20314743 + 20314744.

It is an arithmetic number, because the mean of its divisors is an integer number (20314744).

Almost surely, 2^40629487 is an apocalyptic number.

40629487 is a deficient number, since it is larger than the sum of its proper divisors (1).

40629487 is an equidigital number, since it uses as much as digits as its factorization.

40629487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 40629487 is about 6374.1263715116. The cubic root of 40629487 is about 343.7798725775.

The spelling of 40629487 in words is "forty million, six hundred twenty-nine thousand, four hundred eighty-seven".