400035403013 has 16 divisors (see below), whose sum is σ = 413284225536. Its totient is φ = 386919892800.

The previous prime is 400035402979. The next prime is 400035403037. The reversal of 400035403013 is 310304530004.

It is not a de Polignac number, because 400035403013 - 2¹⁰ = 400035401989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 400035403013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400035403213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5749370 + ... + 5818532.

It is an arithmetic number, because the mean of its divisors is an integer number (25830264096).

Almost surely, 2^400035403013 is an apocalyptic number.

It is an amenable number.

400035403013 is a deficient number, since it is larger than the sum of its proper divisors (13248822523).

400035403013 is a wasteful number, since it uses less digits than its factorization.

400035403013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70124.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 400035403013 its reverse (310304530004), we get a palindrome (710339933017).

The spelling of 400035403013 in words is "four hundred billion, thirty-five million, four hundred three thousand, thirteen".