42907945690620 has 72 divisors (see below), whose sum is σ = 132096700501584. Its totient is φ = 11271340954368.

The previous prime is 42907945690607. The next prime is 42907945690639. The reversal of 42907945690620 is 2609654970924.

42907945690620 is a `hidden beast` number, since 4 + 2 + 9 + 0 + 7 + 9 + 4 + 569 + 0 + 62 + 0 = 666.

42907945690620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42907945690620³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1778924329 + ... + 1778948448.

Almost surely, 2^{42907945690620} is an apocalyptic number.

It is an amenable number.

42907945690620 is an abundant number, since it is smaller than the sum of its proper divisors (89188754810964).

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

42907945690620 is a wasteful number, since it uses less digits than its factorization.

42907945690620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557872859 (or 3557872854 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 42907945690620 in words is "forty-two trillion, nine hundred seven billion, nine hundred forty-five million, six hundred ninety thousand, six hundred twenty".