400526064463 has 4 divisors (see below), whose sum is σ = 457744073680. Its totient is φ = 343308055248.

The previous prime is 400526064383. The next prime is 400526064469. The reversal of 400526064463 is 364460625004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400526064463 - 2³⁷ = 263087110991 is a prime.

It is a super-2 number, since 2×400526064463² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400526064469) 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, 28609004598 + ... + 28609004611.

It is an arithmetic number, because the mean of its divisors is an integer number (114436018420).

Almost surely, 2^400526064463 is an apocalyptic number.

400526064463 is a deficient number, since it is larger than the sum of its proper divisors (57218009217).

400526064463 is an equidigital number, since it uses as much as digits as its factorization.

400526064463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57218009216.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 400526064463 its reverse (364460625004), we get a palindrome (764986689467).

The spelling of 400526064463 in words is "four hundred billion, five hundred twenty-six million, sixty-four thousand, four hundred sixty-three".