420031513442 has 16 divisors (see below), whose sum is σ = 649030523712. Its totient is φ = 203722302960.

The previous prime is 420031513397. The next prime is 420031513507. The reversal of 420031513442 is 244315130024.

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, 8549678 + ... + 8598665.

It is an arithmetic number, because the mean of its divisors is an integer number (40564407732).

Almost surely, 2^420031513442 is an apocalyptic number.

420031513442 is a deficient number, since it is larger than the sum of its proper divisors (228999010270).

420031513442 is a wasteful number, since it uses less digits than its factorization.

420031513442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17148713.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 420031513442 its reverse (244315130024), we get a palindrome (664346643466).

The spelling of 420031513442 in words is "four hundred twenty billion, thirty-one million, five hundred thirteen thousand, four hundred forty-two".