10040142540 has 96 divisors (see below), whose sum is σ = 29791177920. Its totient is φ = 2517753856.

The previous prime is 10040142533. The next prime is 10040142571. The reversal of 10040142540 is 4524104001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1458226 + ... + 1465094.

It is an arithmetic number, because the mean of its divisors is an integer number (310324770).

Almost surely, 2^10040142540 is an apocalyptic number.

10040142540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10040142540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14895588960).

10040142540 is an abundant number, since it is smaller than the sum of its proper divisors (19751035380).

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

10040142540 is a wasteful number, since it uses less digits than its factorization.

10040142540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8331 (or 8329 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 10040142540 its reverse (4524104001), we get a palindrome (14564246541).

The spelling of 10040142540 in words is "ten billion, forty million, one hundred forty-two thousand, five hundred forty".