1401680352 has 96 divisors (see below), whose sum is σ = 3850737408. Its totient is φ = 445592576.

The previous prime is 1401680333. The next prime is 1401680383. The reversal of 1401680352 is 2530861041.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977428 + ... + 978860.

It is an arithmetic number, because the mean of its divisors is an integer number (40111848).

Almost surely, 2^1401680352 is an apocalyptic number.

1401680352 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 1401680352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1925368704).

1401680352 is an abundant number, since it is smaller than the sum of its proper divisors (2449057056).

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

1401680352 is a wasteful number, since it uses less digits than its factorization.

1401680352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1401680352 is about 37439.0217820925. The cubic root of 1401680352 is about 1119.1363324691.

The spelling of 1401680352 in words is "one billion, four hundred one million, six hundred eighty thousand, three hundred fifty-two".