40338570 has 32 divisors (see below), whose sum is σ = 96979968. Its totient is φ = 10738368.

The previous prime is 40338553. The next prime is 40338587. The reversal of 40338570 is 7583304.

It is an interprime number because it is at equal distance from previous prime (40338553) and next prime (40338587).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31992 + ... + 33228.

It is an arithmetic number, because the mean of its divisors is an integer number (3030624).

Almost surely, 2^40338570 is an apocalyptic number.

40338570 is an abundant number, since it is smaller than the sum of its proper divisors (56641398).

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

40338570 is a wasteful number, since it uses less digits than its factorization.

40338570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40338570 is about 6351.2652282833. The cubic root of 40338570 is about 342.9573905767.

The spelling of 40338570 in words is "forty million, three hundred thirty-eight thousand, five hundred seventy".