403642364203542 has 16 divisors (see below), whose sum is σ = 824460999224832. Its totient is φ = 131684742931560.

The previous prime is 403642364203541. The next prime is 403642364203633. The reversal of 403642364203542 is 245302463246304.

It is a junction number, because it is equal to n+sod(n) for n = 403642364203491 and 403642364203500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403642364203541) 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, 715677950434 + ... + 715677950997.

It is an arithmetic number, because the mean of its divisors is an integer number (51528812451552).

Almost surely, 2^{403642364203542} is an apocalyptic number.

403642364203542 is an abundant number, since it is smaller than the sum of its proper divisors (420818635021290).

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

403642364203542 is a wasteful number, since it uses less digits than its factorization.

403642364203542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431355901483.

The product of its (nonzero) digits is 9953280, while the sum is 48.

The spelling of 403642364203542 in words is "four hundred three trillion, six hundred forty-two billion, three hundred sixty-four million, two hundred three thousand, five hundred forty-two".