42403683872066 has 32 divisors (see below), whose sum is σ = 69418540781568. Its totient is φ = 19265876882640.

The previous prime is 42403683871999. The next prime is 42403683872071. The reversal of 42403683872066 is 66027838630424.

It is a super-2 number, since 2×42403683872066² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42403683871996 and 42403683872014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811263665 + ... + 811315931.

It is an arithmetic number, because the mean of its divisors is an integer number (2169329399424).

Almost surely, 2^{42403683872066} is an apocalyptic number.

42403683872066 is a deficient number, since it is larger than the sum of its proper divisors (27014856909502).

42403683872066 is a wasteful number, since it uses less digits than its factorization.

42403683872066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67886.

The product of its (nonzero) digits is 55738368, while the sum is 59.

The spelling of 42403683872066 in words is "forty-two trillion, four hundred three billion, six hundred eighty-three million, eight hundred seventy-two thousand, sixty-six".