40143489781602 has 16 divisors (see below), whose sum is σ = 80287154750880. Its totient is φ = 13381134062592.

The previous prime is 40143489781537. The next prime is 40143489781607. The reversal of 40143489781602 is 20618798434104.

It is a super-2 number, since 2×40143489781602² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40143489781607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220703 + ... + 9904610.

It is an arithmetic number, because the mean of its divisors is an integer number (5017947171930).

Almost surely, 2^{40143489781602} is an apocalyptic number.

40143489781602 is an abundant number, since it is smaller than the sum of its proper divisors (40143664969278).

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

40143489781602 is a wasteful number, since it uses less digits than its factorization.

40143489781602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14598977.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 40143489781602 in words is "forty trillion, one hundred forty-three billion, four hundred eighty-nine million, seven hundred eighty-one thousand, six hundred two".