10040020144 has 40 divisors (see below), whose sum is σ = 24252519168. Its totient is φ = 3911695680.

The previous prime is 10040020087. The next prime is 10040020169. The reversal of 10040020144 is 44102004001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4073452 + ... + 4075915.

Almost surely, 2^10040020144 is an apocalyptic number.

10040020144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10040020144 is an abundant number, since it is smaller than the sum of its proper divisors (14212499024).

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

10040020144 is a wasteful number, since it uses less digits than its factorization.

10040020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149393 (or 8149387 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10040020144 its reverse (44102004001), we get a palindrome (54142024145).

The spelling of 10040020144 in words is "ten billion, forty million, twenty thousand, one hundred forty-four".