42351461064 has 96 divisors (see below), whose sum is σ = 129763801440. Its totient is φ = 12833769600.

The previous prime is 42351461041. The next prime is 42351461069. The reversal of 42351461064 is 46016415324.

42351461064 is a `hidden beast` number, since 4 + 2 + 35 + 1 + 4 + 610 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42351461069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 968877 + ... + 1011644.

It is an arithmetic number, because the mean of its divisors is an integer number (1351706265).

Almost surely, 2^42351461064 is an apocalyptic number.

42351461064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42351461064 is an abundant number, since it is smaller than the sum of its proper divisors (87412340376).

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

42351461064 is a wasteful number, since it uses less digits than its factorization.

42351461064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980553 (or 1980537 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 42351461064 its reverse (46016415324), we get a palindrome (88367876388).

The spelling of 42351461064 in words is "forty-two billion, three hundred fifty-one million, four hundred sixty-one thousand, sixty-four".