40142510000000 has 128 divisors (see below), whose sum is σ = 99964027294560. Its totient is φ = 16057000000000.

The previous prime is 40142509999981. The next prime is 40142510000003. The reversal of 40142510000000 is 1524104.

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

It is a super-2 number, since 2×40142510000000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142510000003) 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, 7992875 + ... + 12007125.

Almost surely, 2^{40142510000000} is an apocalyptic number.

40142510000000 is a gapful number since it is divisible by the number (40) 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 40142510000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49982013647280).

40142510000000 is an abundant number, since it is smaller than the sum of its proper divisors (59821517294560).

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

40142510000000 is an frugal number, since it uses more digits than its factorization.

40142510000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014300 (or 4014258 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 40142510000000 its reverse (1524104), we get a palindrome (40142511524104).

The spelling of 40142510000000 in words is "forty trillion, one hundred forty-two billion, five hundred ten million", and thus it is an aban number.