513557440342 has 8 divisors (see below), whose sum is σ = 770339284416. Its totient is φ = 256777678872.

The previous prime is 513557440321. The next prime is 513557440351. The reversal of 513557440342 is 243044755315.

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

It is a congruent number.

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, 482043 + ... + 1122265.

It is an arithmetic number, because the mean of its divisors is an integer number (96292410552).

Almost surely, 2^513557440342 is an apocalyptic number.

513557440342 is a deficient number, since it is larger than the sum of its proper divisors (256781844074).

513557440342 is a wasteful number, since it uses less digits than its factorization.

513557440342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041302.

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 513557440342 in words is "five hundred thirteen billion, five hundred fifty-seven million, four hundred forty thousand, three hundred forty-two".