1400165676 has 240 divisors, whose sum is σ = 4547780160. Its totient is φ = 367960320.

The previous prime is 1400165647. The next prime is 1400165693. The reversal of 1400165676 is 6765610041.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1400165676.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4982656 + ... + 4982936.

It is an arithmetic number, because the mean of its divisors is an integer number (18949084).

Almost surely, 2^1400165676 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 1400165676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2273890080).

1400165676 is an abundant number, since it is smaller than the sum of its proper divisors (3147614484).

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

1400165676 is a wasteful number, since it uses less digits than its factorization.

1400165676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1400165676 is about 37418.7877409197. The cubic root of 1400165676 is about 1118.7330688906.

The spelling of 1400165676 in words is "one billion, four hundred million, one hundred sixty-five thousand, six hundred seventy-six".