332401440 has 96 divisors (see below), whose sum is σ = 1196657280. Its totient is φ = 75976704.

The previous prime is 332401411. The next prime is 332401453. The reversal of 332401440 is 44104233.

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

It is a super-2 number, since 2×332401440² = 220981434628147200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 46105 + ... + 52824.

It is an arithmetic number, because the mean of its divisors is an integer number (12465180).

Almost surely, 2^332401440 is an apocalyptic number.

332401440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

332401440 is an abundant number, since it is smaller than the sum of its proper divisors (864255840).

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

332401440 is a wasteful number, since it uses less digits than its factorization.

332401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98954 (or 98946 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 332401440 is about 18231.8797714333. The cubic root of 332401440 is about 692.7145325321.

Adding to 332401440 its reverse (44104233), we get a palindrome (376505673).

The spelling of 332401440 in words is "three hundred thirty-two million, four hundred one thousand, four hundred forty".