864148950 has 72 divisors (see below), whose sum is σ = 2653358448. Its totient is φ = 197519040.

The previous prime is 864148933. The next prime is 864148993. The reversal of 864148950 is 59841468.

864148950 is a `hidden beast` number, since 86 + 41 + 489 + 50 = 666.

It is a super-2 number, since 2×864148950² = 1493506815572205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 864148896 and 864148905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 134017 + ... + 140316.

Almost surely, 2^864148950 is an apocalyptic number.

864148950 is an abundant number, since it is smaller than the sum of its proper divisors (1789209498).

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

864148950 is a wasteful number, since it uses less digits than its factorization.

864148950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274358 (or 274350 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 864148950 is about 29396.4104951608. The cubic root of 864148950 is about 952.4953603015.

The spelling of 864148950 in words is "eight hundred sixty-four million, one hundred forty-eight thousand, nine hundred fifty".