1400902272 has 384 divisors, whose sum is σ = 5327337600. Its totient is φ = 342097920.

The previous prime is 1400902259. The next prime is 1400902291. The reversal of 1400902272 is 2722090041.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1507504 + ... + 1508432.

It is an arithmetic number, because the mean of its divisors is an integer number (13873275).

Almost surely, 2^1400902272 is an apocalyptic number.

1400902272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400902272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2663668800).

1400902272 is an abundant number, since it is smaller than the sum of its proper divisors (3926435328).

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

1400902272 is a wasteful number, since it uses less digits than its factorization.

1400902272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1400902272 is about 37428.6290424856. The cubic root of 1400902272 is about 1118.9292146883.

The spelling of 1400902272 in words is "one billion, four hundred million, nine hundred two thousand, two hundred seventy-two".