40908151 has 2 divisors, whose sum is σ = 40908152. Its totient is φ = 40908150.

The previous prime is 40908113. The next prime is 40908163. The reversal of 40908151 is 15180904.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40908151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40908451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20454075 + 20454076.

It is an arithmetic number, because the mean of its divisors is an integer number (20454076).

Almost surely, 2^40908151 is an apocalyptic number.

40908151 is a deficient number, since it is larger than the sum of its proper divisors (1).

40908151 is an equidigital number, since it uses as much as digits as its factorization.

40908151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 40908151 is about 6395.9480141727. The cubic root of 40908151 is about 344.5640394008.

The spelling of 40908151 in words is "forty million, nine hundred eight thousand, one hundred fifty-one".