601403040 has 144 divisors (see below), whose sum is σ = 2345511168. Its totient is φ = 137461248.

The previous prime is 601403021. The next prime is 601403059. The reversal of 601403040 is 40304106.

It is an interprime number because it is at equal distance from previous prime (601403021) and next prime (601403059).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 19752 + ... + 39911.

It is an arithmetic number, because the mean of its divisors is an integer number (16288272).

Almost surely, 2^601403040 is an apocalyptic number.

601403040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

601403040 is an abundant number, since it is smaller than the sum of its proper divisors (1744108128).

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

601403040 is a wasteful number, since it uses less digits than its factorization.

601403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59691 (or 59680 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 601403040 is about 24523.5201388381. The cubic root of 601403040 is about 844.0895811717.

Adding to 601403040 its reverse (40304106), we get a palindrome (641707146).

The spelling of 601403040 in words is "six hundred one million, four hundred three thousand, forty".