400451104435101 has 4 divisors (see below), whose sum is σ = 533934805913472. Its totient is φ = 266967402956732.

The previous prime is 400451104434973. The next prime is 400451104435111. The reversal of 400451104435101 is 101534401154004.

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 400451104435101 - 2⁷ = 400451104434973 is a prime.

It is a super-2 number, since 2×400451104435101² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400451104435111) 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, 66741850739181 + ... + 66741850739186.

It is an arithmetic number, because the mean of its divisors is an integer number (133483701478368).

Almost surely, 2^{400451104435101} is an apocalyptic number.

It is an amenable number.

400451104435101 is a deficient number, since it is larger than the sum of its proper divisors (133483701478371).

400451104435101 is a wasteful number, since it uses less digits than its factorization.

400451104435101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133483701478370.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 400451104435101 its reverse (101534401154004), we get a palindrome (501985505589105).

The spelling of 400451104435101 in words is "four hundred trillion, four hundred fifty-one billion, one hundred four million, four hundred thirty-five thousand, one hundred one".