1401496320 has 288 divisors, whose sum is σ = 5418137088. Its totient is φ = 301400064.

The previous prime is 1401496277. The next prime is 1401496333. The reversal of 1401496320 is 236941041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455427 + ... + 458493.

It is an arithmetic number, because the mean of its divisors is an integer number (18812976).

Almost surely, 2^1401496320 is an apocalyptic number.

1401496320 is a gapful number since it is divisible by the number (10) 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 1401496320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2709068544).

1401496320 is an abundant number, since it is smaller than the sum of its proper divisors (4016640768).

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

1401496320 is a wasteful number, since it uses less digits than its factorization.

1401496320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115 (or 3101 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1401496320 is about 37436.5639448922. The cubic root of 1401496320 is about 1119.0873517554.

The spelling of 1401496320 in words is "one billion, four hundred one million, four hundred ninety-six thousand, three hundred twenty".