40402029029042 has 16 divisors (see below), whose sum is σ = 61231296682752. Its totient is φ = 19991620471680.

The previous prime is 40402029028993. The next prime is 40402029029053. The reversal of 40402029029042 is 24092092020404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40402029028987 and 40402029029005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2489834 + ... + 9327557.

It is an arithmetic number, because the mean of its divisors is an integer number (3826956042672).

Almost surely, 2^{40402029029042} is an apocalyptic number.

40402029029042 is a deficient number, since it is larger than the sum of its proper divisors (20829267653710).

40402029029042 is a wasteful number, since it uses less digits than its factorization.

40402029029042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11835113.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 40402029029042 in words is "forty trillion, four hundred two billion, twenty-nine million, twenty-nine thousand, forty-two".