40064951 has 2 divisors, whose sum is σ = 40064952. Its totient is φ = 40064950.

The previous prime is 40064933. The next prime is 40064963. The reversal of 40064951 is 15946004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40064951 - 2⁶ = 40064887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40069951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20032475 + 20032476.

It is an arithmetic number, because the mean of its divisors is an integer number (20032476).

Almost surely, 2^40064951 is an apocalyptic number.

40064951 is a deficient number, since it is larger than the sum of its proper divisors (1).

40064951 is an equidigital number, since it uses as much as digits as its factorization.

40064951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 40064951 is about 6329.6880649839. The cubic root of 40064951 is about 342.1801969807.

The spelling of 40064951 in words is "forty million, sixty-four thousand, nine hundred fifty-one".