403420312352542 has 8 divisors (see below), whose sum is σ = 611121859306632. Its totient is φ = 199713025917000.

The previous prime is 403420312352531. The next prime is 403420312352591. The reversal of 403420312352542 is 245253213024304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 403420312352495 and 403420312352504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998565129384 + ... + 998565129787.

It is an arithmetic number, because the mean of its divisors is an integer number (76390232413329).

Almost surely, 2^{403420312352542} is an apocalyptic number.

403420312352542 is a deficient number, since it is larger than the sum of its proper divisors (207701546954090).

403420312352542 is a wasteful number, since it uses less digits than its factorization.

403420312352542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997130259274.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 403420312352542 its reverse (245253213024304), we get a palindrome (648673525376846).

The spelling of 403420312352542 in words is "four hundred three trillion, four hundred twenty billion, three hundred twelve million, three hundred fifty-two thousand, five hundred forty-two".