519145240452 has 48 divisors (see below), whose sum is σ = 1277064714240. Its totient is φ = 163687169952.

The previous prime is 519145240409. The next prime is 519145240499. The reversal of 519145240452 is 254042541915.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612108 + ... + 1907139.

It is an arithmetic number, because the mean of its divisors is an integer number (26605514880).

Almost surely, 2^519145240452 is an apocalyptic number.

It is an amenable number.

519145240452 is an abundant number, since it is smaller than the sum of its proper divisors (757919473788).

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

519145240452 is a wasteful number, since it uses less digits than its factorization.

519145240452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519920 (or 3519918 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 519145240452 in words is "five hundred nineteen billion, one hundred forty-five million, two hundred forty thousand, four hundred fifty-two".