40758220 has 12 divisors (see below), whose sum is σ = 85592304. Its totient is φ = 16303280.

The previous prime is 40758199. The next prime is 40758227. The reversal of 40758220 is 2285704.

It is a super-2 number, since 2×40758220² = 3322464995136800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40758227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018936 + ... + 1018975.

It is an arithmetic number, because the mean of its divisors is an integer number (7132692).

Almost surely, 2^40758220 is an apocalyptic number.

It is an amenable number.

40758220 is an abundant number, since it is smaller than the sum of its proper divisors (44834084).

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

40758220 is a wasteful number, since it uses less digits than its factorization.

40758220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037920 (or 2037918 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 40758220 is about 6384.2164750265. The cubic root of 40758220 is about 344.1425743059.

The spelling of 40758220 in words is "forty million, seven hundred fifty-eight thousand, two hundred twenty".