40155100333457 has 2 divisors, whose sum is σ = 40155100333458. Its totient is φ = 40155100333456.

The previous prime is 40155100333399. The next prime is 40155100333529. The reversal of 40155100333457 is 75433300155104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35623123557121 + 4531976776336 = 5968511^2 + 2128844^2 .

It is a cyclic number.

It is not a de Polignac number, because 40155100333457 - 2⁶ = 40155100333393 is a prime.

It is a super-2 number, since 2×40155100333457² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40155100339457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20077550166728 + 20077550166729.

It is an arithmetic number, because the mean of its divisors is an integer number (20077550166729).

Almost surely, 2^{40155100333457} is an apocalyptic number.

It is an amenable number.

40155100333457 is a deficient number, since it is larger than the sum of its proper divisors (1).

40155100333457 is an equidigital number, since it uses as much as digits as its factorization.

40155100333457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 40155100333457 in words is "forty trillion, one hundred fifty-five billion, one hundred million, three hundred thirty-three thousand, four hundred fifty-seven".