40321013402 has 8 divisors (see below), whose sum is σ = 60652856916. Its totient is φ = 20103394432.

The previous prime is 40321013401. The next prime is 40321013437. The reversal of 40321013402 is 20431012304.

40321013402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36922006801 + 3399006601 = 192151^2 + 58301^2 .

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

It is a super-2 number, since 2×40321013402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40321013401) 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, 28555253 + ... + 28556664.

Almost surely, 2^40321013402 is an apocalyptic number.

40321013402 is a deficient number, since it is larger than the sum of its proper divisors (20331843514).

40321013402 is a wasteful number, since it uses less digits than its factorization.

40321013402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57112272.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40321013402 its reverse (20431012304), we get a palindrome (60752025706).

The spelling of 40321013402 in words is "forty billion, three hundred twenty-one million, thirteen thousand, four hundred two".