40060428 has 12 divisors (see below), whose sum is σ = 93474360. Its totient is φ = 13353472.

The previous prime is 40060409. The next prime is 40060441. The reversal of 40060428 is 82406004.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 40060398 and 40060407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669173 + ... + 1669196.

It is an arithmetic number, because the mean of its divisors is an integer number (7789530).

Almost surely, 2^40060428 is an apocalyptic number.

It is an amenable number.

40060428 is an abundant number, since it is smaller than the sum of its proper divisors (53413932).

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

40060428 is a wasteful number, since it uses less digits than its factorization.

40060428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338376 (or 3338374 counting only the distinct ones).

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

The square root of 40060428 is about 6329.3307703106. The cubic root of 40060428 is about 342.1673200626.

The spelling of 40060428 in words is "forty million, sixty thousand, four hundred twenty-eight".