60402840 has 64 divisors (see below), whose sum is σ = 185643360. Its totient is φ = 15713280.

The previous prime is 60402821. The next prime is 60402857. The reversal of 60402840 is 4820406.

60402840 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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 60402840.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1219 + ... + 11058.

Almost surely, 2^60402840 is an apocalyptic number.

60402840 is a gapful number since it is divisible by the number (60) 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 60402840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92821680).

60402840 is an abundant number, since it is smaller than the sum of its proper divisors (125240520).

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

60402840 is a wasteful number, since it uses less digits than its factorization.

60402840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12332 (or 12328 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 60402840 is about 7771.9264021219. The cubic root of 60402840 is about 392.3609579584.

The spelling of 60402840 in words is "sixty million, four hundred two thousand, eight hundred forty".