10000040154240 has 128 divisors (see below), whose sum is σ = 32736618169920. Its totient is φ = 2594604994560.

The previous prime is 10000040154217. The next prime is 10000040154241. The reversal of 10000040154240 is 4245104000001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (10000040154241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70312126 + ... + 70454205.

Almost surely, 2^{10000040154240} is an apocalyptic number.

10000040154240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000040154240 is an abundant number, since it is smaller than the sum of its proper divisors (22736578015680).

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

10000040154240 is a wasteful number, since it uses less digits than its factorization.

10000040154240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140766390 (or 140766378 counting only the distinct ones).

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

Adding to 10000040154240 its reverse (4245104000001), we get a palindrome (14245144154241).

The spelling of 10000040154240 in words is "ten trillion, forty million, one hundred fifty-four thousand, two hundred forty".