40413157 has 2 divisors, whose sum is σ = 40413158. Its totient is φ = 40413156.

The previous prime is 40413103. The next prime is 40413169. The reversal of 40413157 is 75131404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36409156 + 4004001 = 6034^2 + 2001^2 .

It is a cyclic number.

It is not a de Polignac number, because 40413157 - 2¹¹ = 40411109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40413557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20206578 + 20206579.

It is an arithmetic number, because the mean of its divisors is an integer number (20206579).

Almost surely, 2^40413157 is an apocalyptic number.

It is an amenable number.

40413157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40413157 is an equidigital number, since it uses as much as digits as its factorization.

40413157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40413157 is about 6357.1343386781. The cubic root of 40413157 is about 343.1686392893.

The spelling of 40413157 in words is "forty million, four hundred thirteen thousand, one hundred fifty-seven".