40400311110 has 32 divisors (see below), whose sum is σ = 96995688192. Its totient is φ = 10769533920.

The previous prime is 40400311099. The next prime is 40400311121. The reversal of 40400311110 is 1111300404.

It is an interprime number because it is at equal distance from previous prime (40400311099) and next prime (40400311121).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 40400311110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157524 + ... + 324983.

It is an arithmetic number, because the mean of its divisors is an integer number (3031115256).

Almost surely, 2^40400311110 is an apocalyptic number.

40400311110 is an abundant number, since it is smaller than the sum of its proper divisors (56595377082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40400311110 is a wasteful number, since it uses less digits than its factorization.

40400311110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485308.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 40400311110 its reverse (1111300404), we get a palindrome (41511611514).

The spelling of 40400311110 in words is "forty billion, four hundred million, three hundred eleven thousand, one hundred ten".