40310442102 has 64 divisors (see below), whose sum is σ = 95155826688. Its totient is φ = 11140416000.

The previous prime is 40310442061. The next prime is 40310442127. The reversal of 40310442102 is 20124401304.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 3276202 + ... + 3288482.

It is an arithmetic number, because the mean of its divisors is an integer number (1486809792).

Almost surely, 2^40310442102 is an apocalyptic number.

40310442102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40310442102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47577913344).

40310442102 is an abundant number, since it is smaller than the sum of its proper divisors (54845384586).

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

40310442102 is a wasteful number, since it uses less digits than its factorization.

40310442102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14845.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40310442102 its reverse (20124401304), we get a palindrome (60434843406).

The spelling of 40310442102 in words is "forty billion, three hundred ten million, four hundred forty-two thousand, one hundred two".