39040530 has 32 divisors (see below), whose sum is σ = 94564800. Its totient is φ = 10314432.

The previous prime is 39040493. The next prime is 39040537. The reversal of 39040530 is 3504093.

It is a self number, because there is not a number n which added to its sum of digits gives 39040530.

It is not an unprimeable number, because it can be changed into a prime (39040537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2700 + ... + 9239.

It is an arithmetic number, because the mean of its divisors is an integer number (2955150).

Almost surely, 2^39040530 is an apocalyptic number.

39040530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39040530 is an abundant number, since it is smaller than the sum of its proper divisors (55524270).

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

39040530 is a wasteful number, since it uses less digits than its factorization.

39040530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12058.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 39040530 is about 6248.2421527979. The cubic root of 39040530 is about 339.2385786729.

The spelling of 39040530 in words is "thirty-nine million, forty thousand, five hundred thirty".