40143551880 has 64 divisors (see below), whose sum is σ = 126769118400. Its totient is φ = 10141528320.

The previous prime is 40143551867. The next prime is 40143551881. The reversal of 40143551880 is 8815534104.

It is a super-2 number, since 2×40143551880² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40143551881) 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, 8801131 + ... + 8805690.

It is an arithmetic number, because the mean of its divisors is an integer number (1980767475).

Almost surely, 2^40143551880 is an apocalyptic number.

40143551880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40143551880 is an abundant number, since it is smaller than the sum of its proper divisors (86625566520).

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

40143551880 is a wasteful number, since it uses less digits than its factorization.

40143551880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17606854 (or 17606850 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 40143551880 in words is "forty billion, one hundred forty-three million, five hundred fifty-one thousand, eight hundred eighty".