40143031124 has 48 divisors (see below), whose sum is σ = 85047016320. Its totient is φ = 16184862720.

The previous prime is 40143031099. The next prime is 40143031153. The reversal of 40143031124 is 42113034104.

It is a super-2 number, since 2×40143031124² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40143031124.

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, 1110812 + ... + 1146380.

It is an arithmetic number, because the mean of its divisors is an integer number (1771812840).

Almost surely, 2^40143031124 is an apocalyptic number.

It is an amenable number.

40143031124 is an abundant number, since it is smaller than the sum of its proper divisors (44903985196).

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

40143031124 is a wasteful number, since it uses less digits than its factorization.

40143031124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37968 (or 37966 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40143031124 its reverse (42113034104), we get a palindrome (82256065228).

The spelling of 40143031124 in words is "forty billion, one hundred forty-three million, thirty-one thousand, one hundred twenty-four".