40712123040 has 96 divisors (see below), whose sum is σ = 128271983616. Its totient is φ = 10854128640.

The previous prime is 40712122999. The next prime is 40712123071. The reversal of 40712123040 is 4032121704.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a self number, because there is not a number n which added to its sum of digits gives 40712123040.

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, 3403470 + ... + 3415410.

It is an arithmetic number, because the mean of its divisors is an integer number (1336166496).

Almost surely, 2^40712123040 is an apocalyptic number.

40712123040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40712123040 is an abundant number, since it is smaller than the sum of its proper divisors (87559860576).

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

40712123040 is a wasteful number, since it uses less digits than its factorization.

40712123040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19062 (or 19054 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 40712123040 its reverse (4032121704), we get a palindrome (44744244744).

The spelling of 40712123040 in words is "forty billion, seven hundred twelve million, one hundred twenty-three thousand, forty".