615023201464 has 64 divisors (see below), whose sum is σ = 1338170803200. Its totient is φ = 259546495104.

The previous prime is 615023201423. The next prime is 615023201467. The reversal of 615023201464 is 464102320516.

615023201464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615023201467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1463799 + ... + 1836505.

It is an arithmetic number, because the mean of its divisors is an integer number (20908918800).

Almost surely, 2^615023201464 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 615023201464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669085401600).

615023201464 is an abundant number, since it is smaller than the sum of its proper divisors (723147601736).

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

615023201464 is a wasteful number, since it uses less digits than its factorization.

615023201464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373172 (or 373168 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 615023201464 in words is "six hundred fifteen billion, twenty-three million, two hundred one thousand, four hundred sixty-four".