840972150 has 144 divisors (see below), whose sum is σ = 2408269968. Its totient is φ = 209664000.

The previous prime is 840972137. The next prime is 840972163. The reversal of 840972150 is 51279048.

840972150 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (840972137) and next prime (840972163).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1613890 + ... + 1614410.

It is an arithmetic number, because the mean of its divisors is an integer number (16724097).

Almost surely, 2^840972150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 840972150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204134984).

840972150 is an abundant number, since it is smaller than the sum of its proper divisors (1567297818).

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

840972150 is a wasteful number, since it uses less digits than its factorization.

840972150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 840972150 is about 28999.5198236109. The cubic root of 840972150 is about 943.9026482905.

The spelling of 840972150 in words is "eight hundred forty million, nine hundred seventy-two thousand, one hundred fifty".