619196672440 has 16 divisors (see below), whose sum is σ = 1393192513080. Its totient is φ = 247678668960.

The previous prime is 619196672389. The next prime is 619196672491. The reversal of 619196672440 is 44276691916.

It is an interprime number because it is at equal distance from previous prime (619196672389) and next prime (619196672491).

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, 7739958366 + ... + 7739958445.

Almost surely, 2^619196672440 is an apocalyptic number.

It is an amenable number.

619196672440 is an abundant number, since it is smaller than the sum of its proper divisors (773995840640).

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

619196672440 is a wasteful number, since it uses less digits than its factorization.

619196672440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15479916822 (or 15479916818 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 619196672440 in words is "six hundred nineteen billion, one hundred ninety-six million, six hundred seventy-two thousand, four hundred forty".