615430361345240 has 96 divisors (see below), whose sum is σ = 1617478569273600. Its totient is φ = 210129157002240.

The previous prime is 615430361345159. The next prime is 615430361345287. The reversal of 615430361345240 is 42543163034516.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 650969720 + ... + 651914439.

It is an arithmetic number, because the mean of its divisors is an integer number (16848735096600).

Almost surely, 2^{615430361345240} is an apocalyptic number.

It is an amenable number.

615430361345240 is an abundant number, since it is smaller than the sum of its proper divisors (1002048207928360).

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

615430361345240 is a wasteful number, since it uses less digits than its factorization.

615430361345240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302884425 (or 1302884414 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 615430361345240 in words is "six hundred fifteen trillion, four hundred thirty billion, three hundred sixty-one million, three hundred forty-five thousand, two hundred forty".