84043029402 has 24 divisors (see below), whose sum is σ = 183896137620. Its totient is φ = 27736972800.

The previous prime is 84043029397. The next prime is 84043029409. The reversal of 84043029402 is 20492034048.

It can be written as a sum of positive squares in 2 ways, for example, as 83555105481 + 487923921 = 289059^2 + 22089^2 .

It is not an unprimeable number, because it can be changed into a prime (84043029409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23112327 + ... + 23115962.

Almost surely, 2^84043029402 is an apocalyptic number.

84043029402 is an abundant number, since it is smaller than the sum of its proper divisors (99853108218).

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

84043029402 is a wasteful number, since it uses less digits than its factorization.

84043029402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46228398 (or 46228395 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 84043029402 in words is "eighty-four billion, forty-three million, twenty-nine thousand, four hundred two".