42197296464 has 80 divisors (see below), whose sum is σ = 124395480640. Its totient is φ = 13685604480.

The previous prime is 42197296411. The next prime is 42197296489. The reversal of 42197296464 is 46469279124.

42197296464 is a `hidden beast` number, since 4 + 2 + 1 + 97 + 2 + 96 + 464 = 666.

It is a super-2 number, since 2×42197296464² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 42197296464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1304002 + ... + 1335969.

It is an arithmetic number, because the mean of its divisors is an integer number (1554943508).

Almost surely, 2^42197296464 is an apocalyptic number.

It is an amenable number.

42197296464 is an abundant number, since it is smaller than the sum of its proper divisors (82198184176).

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

42197296464 is a wasteful number, since it uses less digits than its factorization.

42197296464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640025 (or 2640013 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 42197296464 in words is "forty-two billion, one hundred ninety-seven million, two hundred ninety-six thousand, four hundred sixty-four".