40013454510 has 96 divisors (see below), whose sum is σ = 109556422560. Its totient is φ = 10104424704.

The previous prime is 40013454487. The next prime is 40013454563. The reversal of 40013454510 is 1545431004.

It is a happy number.

It is a congruent number.

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, 6996172 + ... + 7001888.

It is an arithmetic number, because the mean of its divisors is an integer number (1141212735).

Almost surely, 2^40013454510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40013454510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54778211280).

40013454510 is an abundant number, since it is smaller than the sum of its proper divisors (69542968050).

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

40013454510 is a wasteful number, since it uses less digits than its factorization.

40013454510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9842 (or 9839 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 40013454510 its reverse (1545431004), we get a palindrome (41558885514).

The spelling of 40013454510 in words is "forty billion, thirteen million, four hundred fifty-four thousand, five hundred ten".