40206552 has 16 divisors (see below), whose sum is σ = 100516440. Its totient is φ = 13402176.

The previous prime is 40206539. The next prime is 40206571. The reversal of 40206552 is 25560204.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1675273 = 40206552 / (4 + 0 + 2 + 0 + 6 + 5 + 5 + 2).

It is a congruent number.

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, 837613 + ... + 837660.

Almost surely, 2^40206552 is an apocalyptic number.

It is an amenable number.

40206552 is an abundant number, since it is smaller than the sum of its proper divisors (60309888).

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

40206552 is a wasteful number, since it uses less digits than its factorization.

40206552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675282 (or 1675278 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40206552 is about 6340.8636635714. The cubic root of 40206552 is about 342.5828439024.

Adding to 40206552 its reverse (25560204), we get a palindrome (65766756).

The spelling of 40206552 in words is "forty million, two hundred six thousand, five hundred fifty-two".