619157493040 has 40 divisors (see below), whose sum is σ = 1439582079600. Its totient is φ = 247655959296.

The previous prime is 619157493037. The next prime is 619157493079. The reversal of 619157493040 is 40394751916.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3430986 + ... + 3606934.

It is an arithmetic number, because the mean of its divisors is an integer number (35989551990).

Almost surely, 2^619157493040 is an apocalyptic number.

It is an amenable number.

619157493040 is an abundant number, since it is smaller than the sum of its proper divisors (820424586560).

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

619157493040 is a wasteful number, since it uses less digits than its factorization.

619157493040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219949 (or 219943 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 619157493040 in words is "six hundred nineteen billion, one hundred fifty-seven million, four hundred ninety-three thousand, forty".