60400440 has 48 divisors (see below), whose sum is σ = 196302600. Its totient is φ = 16106688.

The previous prime is 60400409. The next prime is 60400441. The reversal of 60400440 is 4400406.

60400440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60400441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83530 + ... + 84249.

Almost surely, 2^60400440 is an apocalyptic number.

60400440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60400440 is an abundant number, since it is smaller than the sum of its proper divisors (135902160).

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

60400440 is a wasteful number, since it uses less digits than its factorization.

60400440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167796 (or 167789 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 60400440 is about 7771.7719987143. The cubic root of 60400440 is about 392.3557613001.

Adding to 60400440 its reverse (4400406), we get a palindrome (64800846).

The spelling of 60400440 in words is "sixty million, four hundred thousand, four hundred forty".