40404402323311 has 16 divisors (see below), whose sum is σ = 46130007739648. Its totient is φ = 35117769024000.

The previous prime is 40404402323269. The next prime is 40404402323377. The reversal of 40404402323311 is 11332320440404.

It is not a de Polignac number, because 40404402323311 - 2⁹ = 40404402322799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404402323381) 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, 1354837290 + ... + 1354867111.

It is an arithmetic number, because the mean of its divisors is an integer number (2883125483728).

Almost surely, 2^{40404402323311} is an apocalyptic number.

40404402323311 is a deficient number, since it is larger than the sum of its proper divisors (5725605416337).

40404402323311 is a wasteful number, since it uses less digits than its factorization.

40404402323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709704482.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 40404402323311 its reverse (11332320440404), we get a palindrome (51736722763715).

The spelling of 40404402323311 in words is "forty trillion, four hundred four billion, four hundred two million, three hundred twenty-three thousand, three hundred eleven".