40143657750 has 256 divisors, whose sum is σ = 117616472064. Its totient is φ = 8930304000.

The previous prime is 40143657703. The next prime is 40143657781. The reversal of 40143657750 is 5775634104.

It is a happy number.

It is a super-2 number, since 2×40143657750² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32985142 + ... + 32986358.

It is an arithmetic number, because the mean of its divisors is an integer number (459439344).

Almost surely, 2^40143657750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40143657750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58808236032).

40143657750 is an abundant number, since it is smaller than the sum of its proper divisors (77472814314).

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

40143657750 is a wasteful number, since it uses less digits than its factorization.

40143657750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 40143657750 in words is "forty billion, one hundred forty-three million, six hundred fifty-seven thousand, seven hundred fifty".