40102313412 has 96 divisors (see below), whose sum is σ = 111683174400. Its totient is φ = 10950394752.

The previous prime is 40102313411. The next prime is 40102313443. The reversal of 40102313412 is 21431320104.

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

It is not an unprimeable number, because it can be changed into a prime (40102313411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2462914 + ... + 2479142.

It is an arithmetic number, because the mean of its divisors is an integer number (1163366400).

Almost surely, 2^40102313412 is an apocalyptic number.

40102313412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40102313412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55841587200).

40102313412 is an abundant number, since it is smaller than the sum of its proper divisors (71580860988).

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

40102313412 is a wasteful number, since it uses less digits than its factorization.

40102313412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17545 (or 17543 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 40102313412 its reverse (21431320104), we get a palindrome (61533633516).

The spelling of 40102313412 in words is "forty billion, one hundred two million, three hundred thirteen thousand, four hundred twelve".