401233256463457 has 4 divisors (see below), whose sum is σ = 437709007051056. Its totient is φ = 364757505875860.

The previous prime is 401233256463443. The next prime is 401233256463493. The reversal of 401233256463457 is 754364652332104.

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 401233256463457 - 2¹⁹ = 401233255939169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401233256463398 and 401233256463407.

It is not an unprimeable number, because it can be changed into a prime (401233256463437) 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, 18237875293783 + ... + 18237875293804.

It is an arithmetic number, because the mean of its divisors is an integer number (109427251762764).

Almost surely, 2^{401233256463457} is an apocalyptic number.

It is an amenable number.

401233256463457 is a deficient number, since it is larger than the sum of its proper divisors (36475750587599).

401233256463457 is a wasteful number, since it uses less digits than its factorization.

401233256463457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36475750587598.

The product of its (nonzero) digits is 43545600, while the sum is 55.

The spelling of 401233256463457 in words is "four hundred one trillion, two hundred thirty-three billion, two hundred fifty-six million, four hundred sixty-three thousand, four hundred fifty-seven".