40250528 has 12 divisors (see below), whose sum is σ = 79243290. Its totient is φ = 20125248.

The previous prime is 40250527. The next prime is 40250533. The reversal of 40250528 is 82505204.

It can be written as a sum of positive squares in only one way, i.e., 36820624 + 3429904 = 6068^2 + 1852^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40250497 and 40250506.

It is not an unprimeable number, because it can be changed into a prime (40250527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628883 + ... + 628946.

Almost surely, 2^40250528 is an apocalyptic number.

It is an amenable number.

40250528 is a deficient number, since it is larger than the sum of its proper divisors (38992762).

40250528 is a wasteful number, since it uses less digits than its factorization.

40250528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257839 (or 1257831 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 40250528 is about 6344.3303823177. The cubic root of 40250528 is about 342.7076986265.

The spelling of 40250528 in words is "forty million, two hundred fifty thousand, five hundred twenty-eight".