40056460 has 12 divisors (see below), whose sum is σ = 84118608. Its totient is φ = 16022576.

The previous prime is 40056431. The next prime is 40056463. The reversal of 40056460 is 6465004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40056463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001392 + ... + 1001431.

It is an arithmetic number, because the mean of its divisors is an integer number (7009884).

Almost surely, 2^40056460 is an apocalyptic number.

It is an amenable number.

40056460 is an abundant number, since it is smaller than the sum of its proper divisors (44062148).

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

40056460 is a wasteful number, since it uses less digits than its factorization.

40056460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002832 (or 2002830 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40056460 is about 6329.0173012878. The cubic root of 40056460 is about 342.1560224237.

The spelling of 40056460 in words is "forty million, fifty-six thousand, four hundred sixty".