40577330 has 16 divisors (see below), whose sum is σ = 74418264. Its totient is φ = 15924480.

The previous prime is 40577291. The next prime is 40577347. The reversal of 40577330 is 3377504.

It can be written as a sum of positive squares in 4 ways, for example, as 35916049 + 4661281 = 5993^2 + 2159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40577293 and 40577302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37751 + ... + 38810.

Almost surely, 2^40577330 is an apocalyptic number.

40577330 is a deficient number, since it is larger than the sum of its proper divisors (33840934).

40577330 is a wasteful number, since it uses less digits than its factorization.

40577330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76621.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 40577330 is about 6370.0337518729. The cubic root of 40577330 is about 343.6327035612.

The spelling of 40577330 in words is "forty million, five hundred seventy-seven thousand, three hundred thirty".