40312443120 has 80 divisors (see below), whose sum is σ = 128016618912. Its totient is φ = 10487787520.

The previous prime is 40312443113. The next prime is 40312443169. The reversal of 40312443120 is 2134421304.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2038557 + ... + 2058236.

Almost surely, 2^40312443120 is an apocalyptic number.

40312443120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40312443120 is an abundant number, since it is smaller than the sum of its proper divisors (87704175792).

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

40312443120 is a wasteful number, since it uses less digits than its factorization.

40312443120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096850 (or 4096844 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40312443120 its reverse (2134421304), we get a palindrome (42446864424).

The spelling of 40312443120 in words is "forty billion, three hundred twelve million, four hundred forty-three thousand, one hundred twenty".