40051628 has 12 divisors (see below), whose sum is σ = 72351552. Its totient is φ = 19379760.

The previous prime is 40051577. The next prime is 40051631. The reversal of 40051628 is 82615004.

It is a junction number, because it is equal to n+sod(n) for n = 40051597 and 40051606.

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, 161375 + ... + 161622.

It is an arithmetic number, because the mean of its divisors is an integer number (6029296).

Almost surely, 2^40051628 is an apocalyptic number.

It is an amenable number.

40051628 is a deficient number, since it is larger than the sum of its proper divisors (32299924).

40051628 is a wasteful number, since it uses less digits than its factorization.

40051628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323032 (or 323030 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 40051628 is about 6328.6355559473. The cubic root of 40051628 is about 342.1422638074.

The spelling of 40051628 in words is "forty million, fifty-one thousand, six hundred twenty-eight".