405749243514 has 8 divisors (see below), whose sum is σ = 811498487040. Its totient is φ = 135249747836.

The previous prime is 405749243489. The next prime is 405749243531. The reversal of 405749243514 is 415342947504.

It is a sphenic number, since it is the product of 3 distinct primes.

405749243514 is an admirable number.

It is a super-2 number, since 2×405749243514² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33812436954 + ... + 33812436965.

It is an arithmetic number, because the mean of its divisors is an integer number (101437310880).

Almost surely, 2^405749243514 is an apocalyptic number.

405749243514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

405749243514 is a wasteful number, since it uses less digits than its factorization.

405749243514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67624873924.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 405749243514 in words is "four hundred five billion, seven hundred forty-nine million, two hundred forty-three thousand, five hundred fourteen".