40400311322 has 64 divisors (see below), whose sum is σ = 72020931840. Its totient is φ = 16636409856.

The previous prime is 40400311291. The next prime is 40400311349. The reversal of 40400311322 is 22311300404.

It is a junction number, because it is equal to n+sod(n) for n = 40400311294 and 40400311303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19930073 + ... + 19932099.

It is an arithmetic number, because the mean of its divisors is an integer number (1125327060).

Almost surely, 2^40400311322 is an apocalyptic number.

40400311322 is a deficient number, since it is larger than the sum of its proper divisors (31620620518).

40400311322 is a wasteful number, since it uses less digits than its factorization.

40400311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535.

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

Adding to 40400311322 its reverse (22311300404), we get a palindrome (62711611726).

The spelling of 40400311322 in words is "forty billion, four hundred million, three hundred eleven thousand, three hundred twenty-two".