408238542557461 has 96 divisors (see below), whose sum is σ = 522867363113984. Its totient is φ = 311936379955200.

The previous prime is 408238542557413. The next prime is 408238542557491. The reversal of 408238542557461 is 164755245832804.

It is not a de Polignac number, because 408238542557461 - 2¹⁷ = 408238542426389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408238542557393 and 408238542557402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408238542557491) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7929861841 + ... + 7929913321.

Almost surely, 2^{408238542557461} is an apocalyptic number.

It is an amenable number.

408238542557461 is a deficient number, since it is larger than the sum of its proper divisors (114628820556523).

408238542557461 is a wasteful number, since it uses less digits than its factorization.

408238542557461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52323 (or 52312 counting only the distinct ones).

The product of its (nonzero) digits is 258048000, while the sum is 64.

The spelling of 408238542557461 in words is "four hundred eight trillion, two hundred thirty-eight billion, five hundred forty-two million, five hundred fifty-seven thousand, four hundred sixty-one".