40249330 has 16 divisors (see below), whose sum is σ = 79035264. Its totient is φ = 14636080.

The previous prime is 40249327. The next prime is 40249373. The reversal of 40249330 is 3394204.

It is a junction number, because it is equal to n+sod(n) for n = 40249295 and 40249304.

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, 182842 + ... + 183061.

It is an arithmetic number, because the mean of its divisors is an integer number (4939704).

Almost surely, 2^40249330 is an apocalyptic number.

40249330 is a deficient number, since it is larger than the sum of its proper divisors (38785934).

40249330 is a wasteful number, since it uses less digits than its factorization.

40249330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365921.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 40249330 is about 6344.2359666078. The cubic root of 40249330 is about 342.7042985229.

The spelling of 40249330 in words is "forty million, two hundred forty-nine thousand, three hundred thirty".