40152620 has 12 divisors (see below), whose sum is σ = 84320544. Its totient is φ = 16061040.

The previous prime is 40152613. The next prime is 40152677. The reversal of 40152620 is 2625104.

It is a happy number.

It is a super-2 number, since 2×40152620² = 3224465785728800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2007631 = 40152620 / (4 + 0 + 1 + 5 + 2 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 40152592 and 40152601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003796 + ... + 1003835.

It is an arithmetic number, because the mean of its divisors is an integer number (7026712).

Almost surely, 2^40152620 is an apocalyptic number.

It is an amenable number.

40152620 is an abundant number, since it is smaller than the sum of its proper divisors (44167924).

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

40152620 is a wasteful number, since it uses less digits than its factorization.

40152620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007640 (or 2007638 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40152620 is about 6336.6095035121. The cubic root of 40152620 is about 342.4295981889.

Adding to 40152620 its reverse (2625104), we get a palindrome (42777724).

The spelling of 40152620 in words is "forty million, one hundred fifty-two thousand, six hundred twenty".