42015451204234 has 16 divisors (see below), whose sum is σ = 64056999899880. Its totient is φ = 20663124960960.

The previous prime is 42015451204231. The next prime is 42015451204301. The reversal of 42015451204234 is 43240215451024.

It can be written as a sum of positive squares in 4 ways, for example, as 30437322102009 + 11578129102225 = 5517003^2 + 3402665^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42015451204193 and 42015451204202.

It is not an unprimeable number, because it can be changed into a prime (42015451204231) 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, 10543312 + ... + 13971124.

Almost surely, 2^{42015451204234} is an apocalyptic number.

42015451204234 is a deficient number, since it is larger than the sum of its proper divisors (22041548695646).

42015451204234 is a wasteful number, since it uses less digits than its factorization.

42015451204234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528345.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 42015451204234 its reverse (43240215451024), we get a palindrome (85255666655258).

The spelling of 42015451204234 in words is "forty-two trillion, fifteen billion, four hundred fifty-one million, two hundred four thousand, two hundred thirty-four".