40143156840720 has 240 divisors, whose sum is σ = 135142019535744. Its totient is φ = 10678832640000.

The previous prime is 40143156840713. The next prime is 40143156840739. The reversal of 40143156840720 is 2704865134104.

40143156840720 is a `hidden beast` number, since 4 + 0 + 1 + 43 + 1 + 568 + 40 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×40143156840720² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 545601535 + ... + 545675105.

Almost surely, 2^{40143156840720} is an apocalyptic number.

40143156840720 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 40143156840720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67571009767872).

40143156840720 is an abundant number, since it is smaller than the sum of its proper divisors (94998862695024).

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

40143156840720 is a wasteful number, since it uses less digits than its factorization.

40143156840720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75422 (or 75413 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 40143156840720 in words is "forty trillion, one hundred forty-three billion, one hundred fifty-six million, eight hundred forty thousand, seven hundred twenty".