40052620 has 24 divisors (see below), whose sum is σ = 86825088. Its totient is φ = 15504000.

The previous prime is 40052609. The next prime is 40052647. The reversal of 40052620 is 2625004.

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, 31681 + ... + 32920.

It is an arithmetic number, because the mean of its divisors is an integer number (3617712).

Almost surely, 2^40052620 is an apocalyptic number.

It is an amenable number.

40052620 is an abundant number, since it is smaller than the sum of its proper divisors (46772468).

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

40052620 is a wasteful number, since it uses less digits than its factorization.

40052620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64641 (or 64639 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40052620 is about 6328.7139293857. The cubic root of 40052620 is about 342.1450885143.

Adding to 40052620 its reverse (2625004), we get a palindrome (42677624).

The spelling of 40052620 in words is "forty million, fifty-two thousand, six hundred twenty".