40143156840602 has 4 divisors (see below), whose sum is σ = 60214735260906. Its totient is φ = 20071578420300.

The previous prime is 40143156840551. The next prime is 40143156840629. The reversal of 40143156840602 is 20604865134104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23976975563641 + 16166181276961 = 4896629^2 + 4020719^2 .

It is a super-2 number, since 2×40143156840602² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10035789210149 + ... + 10035789210152.

Almost surely, 2^{40143156840602} is an apocalyptic number.

40143156840602 is a deficient number, since it is larger than the sum of its proper divisors (20071578420304).

40143156840602 is a wasteful number, since it uses less digits than its factorization.

40143156840602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20071578420303.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 40143156840602 in words is "forty trillion, one hundred forty-three billion, one hundred fifty-six million, eight hundred forty thousand, six hundred two".