405443495157 has 4 divisors (see below), whose sum is σ = 540591326880. Its totient is φ = 270295663436.

The previous prime is 405443495153. The next prime is 405443495207. The reversal of 405443495157 is 751594344504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 405443495157 - 2² = 405443495153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405443495153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67573915857 + ... + 67573915862.

It is an arithmetic number, because the mean of its divisors is an integer number (135147831720).

Almost surely, 2^405443495157 is an apocalyptic number.

It is an amenable number.

405443495157 is a deficient number, since it is larger than the sum of its proper divisors (135147831723).

405443495157 is a wasteful number, since it uses less digits than its factorization.

405443495157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135147831722.

The product of its (nonzero) digits is 6048000, while the sum is 51.

The spelling of 405443495157 in words is "four hundred five billion, four hundred forty-three million, four hundred ninety-five thousand, one hundred fifty-seven".