615462064015340 has 96 divisors (see below), whose sum is σ = 1363883454138240. Its totient is φ = 232824147286016.

The previous prime is 615462064015307. The next prime is 615462064015343. The reversal of 615462064015340 is 43510460264516.

It is not an unprimeable number, because it can be changed into a prime (615462064015343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 882194894 + ... + 882892266.

It is an arithmetic number, because the mean of its divisors is an integer number (14207119313940).

Almost surely, 2^{615462064015340} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 615462064015340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681941727069120).

615462064015340 is an abundant number, since it is smaller than the sum of its proper divisors (748421390122900).

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

615462064015340 is a wasteful number, since it uses less digits than its factorization.

615462064015340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719051 (or 719049 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 615462064015340 in words is "six hundred fifteen trillion, four hundred sixty-two billion, sixty-four million, fifteen thousand, three hundred forty".