42651534242064 has 80 divisors (see below), whose sum is σ = 121323140893440. Its totient is φ = 12803915671680.

The previous prime is 42651534242047. The next prime is 42651534242077. The reversal of 42651534242064 is 46024243515624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377417434 + ... + 377530425.

It is an arithmetic number, because the mean of its divisors is an integer number (1516539261168).

Almost surely, 2^{42651534242064} is an apocalyptic number.

42651534242064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42651534242064 is an abundant number, since it is smaller than the sum of its proper divisors (78671606651376).

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

42651534242064 is a wasteful number, since it uses less digits than its factorization.

42651534242064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754947988 (or 754947982 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 48.

Adding to 42651534242064 its reverse (46024243515624), we get a palindrome (88675777757688).

The spelling of 42651534242064 in words is "forty-two trillion, six hundred fifty-one billion, five hundred thirty-four million, two hundred forty-two thousand, sixty-four".