394000515150 has 48 divisors (see below), whose sum is σ = 1065950489088. Its totient is φ = 95515276000.

The previous prime is 394000515133. The next prime is 394000515151. The reversal of 394000515150 is 51515000493.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394000515151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119392446 + ... + 119395745.

It is an arithmetic number, because the mean of its divisors is an integer number (22207301856).

Almost surely, 2^394000515150 is an apocalyptic number.

394000515150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

394000515150 is an abundant number, since it is smaller than the sum of its proper divisors (671949973938).

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

394000515150 is a wasteful number, since it uses less digits than its factorization.

394000515150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238788217 (or 238788212 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The spelling of 394000515150 in words is "three hundred ninety-four billion, five hundred fifteen thousand, one hundred fifty".