60040820 has 24 divisors (see below), whose sum is σ = 144098304. Its totient is φ = 20585376.

The previous prime is 60040811. The next prime is 60040829. The reversal of 60040820 is 2804006.

It is an interprime number because it is at equal distance from previous prime (60040811) and next prime (60040829).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 60040792 and 60040801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60040829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214292 + ... + 214571.

It is an arithmetic number, because the mean of its divisors is an integer number (6004096).

Almost surely, 2^60040820 is an apocalyptic number.

It is an amenable number.

60040820 is an abundant number, since it is smaller than the sum of its proper divisors (84057484).

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

60040820 is a wasteful number, since it uses less digits than its factorization.

60040820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428879 (or 428877 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 60040820 is about 7748.6011640812. The cubic root of 60040820 is about 391.5755244894.

Adding to 60040820 its reverse (2804006), we get a palindrome (62844826).

The spelling of 60040820 in words is "sixty million, forty thousand, eight hundred twenty".