1402351272 has 256 divisors, whose sum is σ = 4595712000. Its totient is φ = 387991296.

The previous prime is 1402351241. The next prime is 1402351273. The reversal of 1402351272 is 2721532041.

1402351272 is a `hidden beast` number, since 1 + 40 + 2 + 351 + 272 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1402351273) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11042073 + ... + 11042199.

It is an arithmetic number, because the mean of its divisors is an integer number (17952000).

Almost surely, 2^1402351272 is an apocalyptic number.

1402351272 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 1402351272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2297856000).

1402351272 is an abundant number, since it is smaller than the sum of its proper divisors (3193360728).

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

1402351272 is a wasteful number, since it uses less digits than its factorization.

1402351272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1402351272 is about 37447.9808801489. The cubic root of 1402351272 is about 1119.3148637059.

The spelling of 1402351272 in words is "one billion, four hundred two million, three hundred fifty-one thousand, two hundred seventy-two".