40051505124 has 144 divisors (see below), whose sum is σ = 107308551168. Its totient is φ = 12570300864.

The previous prime is 40051505119. The next prime is 40051505141. The reversal of 40051505124 is 42150515004.

40051505124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14794179 + ... + 14796885.

It is an arithmetic number, because the mean of its divisors is an integer number (745198272).

Almost surely, 2^40051505124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40051505124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53654275584).

40051505124 is an abundant number, since it is smaller than the sum of its proper divisors (67257046044).

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

40051505124 is a wasteful number, since it uses less digits than its factorization.

40051505124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 40051505124 in words is "forty billion, fifty-one million, five hundred five thousand, one hundred twenty-four".