42354031434 has 64 divisors (see below), whose sum is σ = 100918960128. Its totient is φ = 11680401600.

The previous prime is 42354031399. The next prime is 42354031483. The reversal of 42354031434 is 43413045324.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 42354031395 and 42354031404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286714 + ... + 408549.

It is an arithmetic number, because the mean of its divisors is an integer number (1576858752).

Almost surely, 2^42354031434 is an apocalyptic number.

42354031434 is an abundant number, since it is smaller than the sum of its proper divisors (58564928694).

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

42354031434 is a wasteful number, since it uses less digits than its factorization.

42354031434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695363.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 42354031434 its reverse (43413045324), we get a palindrome (85767076758).

The spelling of 42354031434 in words is "forty-two billion, three hundred fifty-four million, thirty-one thousand, four hundred thirty-four".