400434013401 has 8 divisors (see below), whose sum is σ = 533915180544. Its totient is φ = 266954427600.

The previous prime is 400434013387. The next prime is 400434013423. The reversal of 400434013401 is 104310434004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400434013401 - 2²³ = 400425624793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400434013451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459720 + ... + 1006086.

It is an arithmetic number, because the mean of its divisors is an integer number (66739397568).

Almost surely, 2^400434013401 is an apocalyptic number.

It is an amenable number.

400434013401 is a deficient number, since it is larger than the sum of its proper divisors (133481167143).

400434013401 is a wasteful number, since it uses less digits than its factorization.

400434013401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790671.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 400434013401 its reverse (104310434004), we get a palindrome (504744447405).

The spelling of 400434013401 in words is "four hundred billion, four hundred thirty-four million, thirteen thousand, four hundred one".