358666785545840 has 40 divisors (see below), whose sum is σ = 833901737685408. Its totient is φ = 143466462813440.

The previous prime is 358666785545797. The next prime is 358666785545851. The reversal of 358666785545840 is 48545587666853.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×358666785545840² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (80).

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 7 ways as a sum of consecutive naturals, for example, 45942434 + ... + 53179326.

Almost surely, 2^{358666785545840} is an apocalyptic number.

It is an amenable number.

358666785545840 is an abundant number, since it is smaller than the sum of its proper divisors (475234952139568).

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

358666785545840 is a wasteful number, since it uses less digits than its factorization.

358666785545840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856417 (or 7856411 counting only the distinct ones).

The product of its (nonzero) digits is 23224320000, while the sum is 80.

The spelling of 358666785545840 in words is "three hundred fifty-eight trillion, six hundred sixty-six billion, seven hundred eighty-five million, five hundred forty-five thousand, eight hundred forty".