1401347472 has 120 divisors (see below), whose sum is σ = 4325276736. Its totient is φ = 389539584.

The previous prime is 1401347461. The next prime is 1401347501. The reversal of 1401347472 is 2747431041.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78973 + ... + 95075.

Almost surely, 2^1401347472 is an apocalyptic number.

1401347472 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 1401347472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162638368).

1401347472 is an abundant number, since it is smaller than the sum of its proper divisors (2923929264).

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

1401347472 is a wasteful number, since it uses less digits than its factorization.

1401347472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16165 (or 16152 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 1401347472 is about 37434.5758891429. The cubic root of 1401347472 is about 1119.0477322409.

The spelling of 1401347472 in words is "one billion, four hundred one million, three hundred forty-seven thousand, four hundred seventy-two".